Domain technical report
Technische Universität Berlin - TU Berlin
tu.berlin
Mitten in Berlin entstehen bei uns an der Universität die Ideen für die Zukunft. Zum Nutzen der Gesellschaft.
IPv41
IPv60
MX3
NS3
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83
Total
90
DNS
70
Email
84
Security
50
Network
100
Availability
Domaintu.berlin
IPv41
IPv60
MX records3
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)30 / 30 pts · Dns
1 IPv4 address(es) detected.
IPv6 (AAAA)0 / 10 pts · Dns
0 IPv6 address(es) detected.
Name server redundancy20 / 20 pts · Dns
3 NS record(s); 2 or more required.
SOA record10 / 10 pts · Dns
Authoritative zone record.
DNSSEC chain15 / 15 pts · Dns
DS and DNSKEY detected.
CAA policy5 / 5 pts · Dns
Certificate authority restriction.
DNS propagation10 / 10 pts · Dns
Agreement between public resolvers.
MX records20 / 20 pts · Mail
3 MX record(s).
SPF25 / 25 pts · Mail
SPF policy published.
DMARC25 / 25 pts · Mail
DMARC policy published.
DKIM0 / 20 pts · Mail
No tested DKIM selector responded.
MTA-STS0 / 5 pts · Mail
Mail transport policy.
TLS-RPT0 / 5 pts · Mail
TLS reporting policy.
Valid TLS certificate55 / 55 pts · Security
122 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers19 / 35 pts · Security
5 of 9 evaluated headers detected.
PTR reverse DNS30 / 30 pts · Network
PTR: careerevents.tu-berlin.de
IPv4 diversity20 / 35 pts · Network
Two or more IPv4 addresses receive full points.
IPv6 connectivity0 / 35 pts · Network
AAAA availability.
DNS resolution40 / 40 pts · Availability
At least one address family must resolve.
HTTP response40 / 40 pts · Availability
HTTP/2 200
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
1 record(s)141.23.73.70
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
3 record(s)10 b1861.mx.srv.dfn.de. 10 a1861.mx.srv.dfn.de. 10 c1861.mx.srv.dfn.de.
TXT
4 record(s)"v=spf1 ip4:130.149.7.33/32 ip4:130.149.7.70/32 ip4:141.23.12.141/32 ip4:141.23.12.142/32 ip4:141.23.12.143/32 ip4:194.95.233.66/32 ip4:194.95.235.66/32 ip4:194.95.239.66/32 ~all" "google-site-verification=w6tlyWVZyfn1bxpXywReSxlvBIR0PWf80VyGHs-Cxkc" "HARICA-Kw6XkwRFF6230Q8w7a4" "facebook-domain-verification=kpr2pds6q6k2truawumigwv2ljtntq"
NS
3 record(s)dns-2.dfn.de. ns.tu-berlin.de. dns-3.dfn.de.
SOA
1 record(s)ns.tu-berlin.de. noc.tu-berlin.de. 3015299380 21600 2160 2592000 900
CAA
4 record(s)0 issue "usertrust.com" 0 issue "harica.gr" 0 issue "trust-provider.com" 0 issue "pki.dfn.de"
DS
2 record(s)54783 10 2 DB662BF570A4E795314800A066CEFD52EE4845E8F7C326D887211717 303A646A 20202 10 2 A5EACA65F2379C59F8B7A2B11788ADC5E1B3BD46C3855874CA2C43BD 5BF54F6E
DNSKEY
4 record(s)256 3 10 AwEAAbmlAFj6Jdx1ga3C1JBhI6rj+EJuF730UCHn2Sl/YCgVe+b2xkgb SPxoMMrlGlYvR1PqVx83pMIxriq5WUWf5FGbl2Y56rSm28HEQ6Cb1pdF crJSubc2ClPrPerosFaW33k/44//s+0YJWWcc+G9xCGchgr5XP9VEFaD wgPobNasZelqtocTKpH5e6LL/gOF/eWdwJ4mB1KrP2jjufG1hq8q7f0m ImMlKHAgC59rpLJ4ktBtecBMlYQnMs+E5lYe74ZvF8Y9Me/3fOmJxnUP gbW+RJjDZct9cMqYnfUzO50wHP/NPbiZKgFIJsDye8zLfWUBIOhl/3JC xt69f6R8PnU= 257 3 10 AwEAAaIx/8Ylt2haI60JswomdvF7b+N5oNinNvw0ork627MVv+SXHJMv dbsvC+9XTMS6ouESe6cbXFHzpyCZ1iqQViwTxF12nwBMc3MXXlxn0kHm 3lBIaJ7E2mcnb/FnjUvDmAy+3oL1VInsVK0a/m92i6kGmNEFAxH0pXN5 Cgw9cdWRXiMqrAy9LwaA7KNYNetLVzNyAWEyv2iI0VPYYvTLSUJP1Y7t dSdhBB1RVEbU31YrPJe9v3CazuwIs11E1+gByoM/VDOw2I9Wtp03Zfkm R9dW8WdJDozVfsyv8uqTLJIb5yVXFf0vMqAeozDYfFchuvQSbsmEOLYb gHRLXJ4oJ7zvwHR/kDMXTaoG4tSJtAzPKlqi0gBal96gLZHNpWPUdrPY HVvgHMoTMDsTP//rFjAm3JrirCLjaIiC8xjM+sTLSon6svIB2b+OGqPm NRsrO3m5OGJgn0zicrwRx8F4gFHwADc3QnBH5M6j4z7gghGSKaCKvdg9 JXg7Ea3q6tdlCYcWMnu37Y1cTbR+sMNK3etikhLe1zMn0o9xlS+vSMbh y2TzYbEeEWEwJW60qimB0nS/oeuQakVEuPr05nSYS0ZRdUDsaGrrQi7Y 7elBrhiTKqIW4wyKvqW/Auy04uZPF1+RnsbJjL+aWYKz/uYQK11RV11w U9TCGiSET+/ucpnt 257 3 10 AwEAAdZHttQ9YKU/DcBtagdbol6LQx9X5Ur+jEVIHXUQTQBMiKvzu2um O4YQd2mlwaVB4ESCHN7vMsY3Sc7izlCCqkvZbr3M7Vc+cSrQLBOWk7IU k5u1GhfXc+F9g35oYpJxdrMYguOi0OhUqeNpCN5HO0r8b7aJRjeQTS3x +WhagQYmoHPK/Xmnmw8uA/AsCEkaGp3OaBhWFJFzBZz8BvjDRyWXfb0M zgAn+BJhXkTRplVLkRTfGkjluk8H8nlgN0JHH1JtPqgLcrYW1WvzcyB9 imRAyFn4biHdvuKRHg+FvvHo7QFeefYkW8bGRq8ZWbduw3d9Z0wyjz7h P2g7GK53su/CXqtPLepWVQf0e8uINIDcE/ABu2VRx0BohswfTt4BQJ7K oEkDac5QF2jNHjHcpu5UmW/mgQpzI4r5sGHNRT4CzYVhckdJNbwAsisH SFbvPy1FhORnYxmCyYIUFlJrV0Xc6zS/wILNxyox0USXF+BiWfAbaHTo 44hH3/FyVgS2vUKMhORY5MPfVNhf+V2Mwfz0FVYY8MUxnKuGiALNx/Ta Tlc0MfAUnIwdJKivQgY98VCHxg6usWqUNdntOaaoKh2058GY7rsmbSgD o9KsKR6zpb6bwLX43hFgFyZv9A1DFjetQxmdwav+q2WLneThQqIc+HFi A7SlvDnk3IrAittl 256 3 10 AwEAAa61aA1Po1eGKRnzsfHiAkaqOv8y1pSVXXJsxg4a9ElQivop3Rw0 gcHeWvrVvTFnJu+lryJPsgedkplVBSL/rgPW02BuuZwb90AWx9jD3Yki fvD0QweCQDajw4tDsWF6+1wHGdstLdtgVYOeVsKBAt/aSf45f0L1fRLf 7uudmR+cGmXSxVUmWl5AYdzgZhCxsajLvDkOcJ0yBWOzUxq+WA1Bf9vd 1rtIhXS+5Z/JbmT+0qOx3Tw2uyXnfr0W//G1Dd1okXiBBCGhCz8SikeA W3nYf/UVEZUXoEoziMomi8ukxqDv5zd5PEG+PHmKLde6Fus5a0gGOpgb xhbWHK5vwmk=
RRSIG
13 record(s)DNSKEY 10 2 172800 20260814024722 20260810023933 17945 tu.berlin. jtfHJ/VOfOUyqfEe/daD8pl9WimzDZusipUOhHi9Fzb7x3HynOpoMCLZ +lag3SuA0Tyv2iOYncQBwrEeSKaiXDsQOwLFtzELCwHUZjkJE0RauSGr O7gbmU7rNc9AR7I2vUK2Kg1kI8rbkA6/mKAI+ieVjqCiD8bRyF5hgMWw QhT9dQTNvHs2HJwtzSB0W8z5RomZ9M93PHuNS2yU2+R7e+/v3h/xRTAL tKA1ZbPFi430QEskkUTdVREQTLSVV//5Lbh+803brX269DpQ9vLsArdb syJeiFv1ArBfzd9Xst5QDqTFoIbf1982ZnJHOe+s6Ucug0Xq8OxISSm8 UBFGVQ== DNSKEY 10 2 172800 20260814024722 20260810023933 20202 tu.berlin. VOOmxGgSIRRVx6wShUPAtYv1xzwGpiIVOA0COeqiu6H5+rFSyibGAD60 aO1zLnX3V13yWooqCmyKQkyNL8EKbOUcmZhIzOo5O8iFt3+S6f8rFSuf Q5qi77+UpoyBxQ0mpOsItAwDutHIydgnoMgMDkFMsSbZxnw818G5sW3b sU3HhKeGPjiwOkchyhCECmt10v7Fzm5JFIvYGYics4F2R2R5yzySf91E 2HLWu4a1aKfQy0cVv4qyVeDRtxjNaUbH6Gst/9uPCCpPlfzg0Xyxt8ws p4/2Ug/p/ZhUx9JpiNuNW05akmmZ+s0oJQM5PVM4qSPwO9OBfR1EeEF0 +SfaaoMkfYN+m1x6eSr6Pyw+jFC6MNoTjZ/LNk0mA8uQV4wHU7qotFOL ugug8tte9HiwypUDaQ2HZHBJfvjHHNQApn6xn09PUr1NjT82SuT8zsEV 4VPSxDxCnBHfhHrsII61R1qoSv+RnZoaPm45/LgjmgRoalARYi1g5z6C szogGSa0UCCTmVJPMqgZBowSOsODaYP/d19u82CnkrNJtdeHYuJCQ8zN 7DGFgGTnACEsgFiy6moD2VZr2ZPt/6+wTyqeqKu/TWGJJErXVuetN9Cf qiMCutCoucCpdPXBsWVsobv4XuPzKp3nVUWid2nmtkQWtUX+74YLHrfM 5XnQ+mjPsmM= DNSKEY 10 2 172800 20260814024722 20260810023933 50685 tu.berlin. q0o9GrZrPzsCspbpEfj7vclhvAGkJypQUjNnUSVDnwezP0rGTEz2R67v Dasg3C2xC5IvGjLZQuC6AC3ElmAXZa10G/zNBUxNy7cd9GrTfz1/Yr94 +z03ABiZ3nz2o+VGDeSYawz+4f0C08EM0X8I+LK8pcJWVi6qf2t9Oq7/ ZWx0ify4FXQhvX8H/GAxVr+iUG1Bf1GqrLVrIgh0EQkG9Iv4b83tZjeG Mz+D2t/jyCNtN1kFp9Y3eODcB/Wi5SoV9Tko7BlA8QdDEC7GDYYupddz 6lwqyXF5r9q9h6qH70XU7ipVtlBSb9Gl6MC7iANK/kB/f7KOPquz0+lz mm3YcA== DNSKEY 10 2 172800 20260814024722 20260810023933 54783 tu.berlin. VQ0aLe6nquK6PsvLIxUXNn2+D0Zmer381VpcIRfmDhuUrG+Jj6nVz+Bz EIMqKlOyyYOwximeGQytf330+H3gwrkBdhe0/f2HeXdchcBVBZbZQxRG +fdo4XLxSWg64fmA/NG7MObQnPQKUdZGVNfxmkY2+wTJEWoBYbiVWmU8 Tw0qfBIfBVR+2OBNzgvSauoFKFi/0fQjiUh9cDP+uhnq5eEn4J4tB1tt y8biktydOzBJcE3iJHsCIBVJpZPy1CMC6W7mrWXffzH2MFPQFymHefFw OSSIO348zWcVct3g/e03+lKD/Blg9NltlureYM6ve3cguiprUEOo16aw PxiwgUrWJEMMk+6qeIWFVhrtgpaI9S3hIh3sS00vKkv5j9NXqvq2qPgt JQhGjEDoQOkxpQ0aJR47gRk5zBdoSICb+MAK0uSCns0rs2BvYmd4C/zA eWmq+5OJe3/6tbctQu6m/LX0NXqfneBqBjr2vEHf+WtIkwP0J+sUB7Du 3/0rmSzB2RosZFwL98J6ApdV2ds8sDzKGT6LpF1vNAufbpaX8WI3bMv0 L6K6mWAyHJpDHiu3Q5T4jZXhyYkFJf5MWqC9UxgwMtYJZjJ0wvi0K5QT 9cPG+2+arJMMiz5BocEeOGvGYQzc4RUhX7tqphOwttFk1TBZvgcM1MaZ af5w2eXisZU= SOA 10 2 28800 20260814195216 20260810185216 17945 tu.berlin. azAL8KivUe0H7x1LoV0KOS6jni93EO5iVzEXSR6nvFnxRg1XHwUAhjVE fbSvEVYkeOWPdZ3scJsBzbtFynD0zsN8SvCMYA8UD1B57+RPaA6ghune ILgky18/rLa249wkXM0W3CSe5OAVLxMeWEz+mnYvATsTRu1lsOULTCgX i8YCL/2hXY9MmO9Ba0cp+uhTCEQ1Kyvhs7sgyMCFMK1vyQ6LFwYwzpkx iOYs+yTCVAfnDW1X1sz471r29DU6BraLmAh5hGnwN4h2zqIMEkb0v+0v KEecpp4NU8sNpbwmOdTVpPqtu1XfxZ0TUBn5sTMSgKhMmaCPRd5u/17q ZkpemA== SOA 10 2 28800 20260814195216 20260810185216 50685 tu.berlin. Sl3XSLvo4D2kFBA3xv2WlKJt2C7mKgAIZ5QcvzfaWnsrPS6wN88uCN70 rHF75D1dECg1RHHI23IUHs1u1I/9egcpOTxq4YU/QEeEAdOEpOnGCT/z Ko2GAILAT+U8YU+yGhM81xVNmJZo0aLDAmtXUdCTPEQImX8axis/DbSD C8EOYp7Y6JvYir2gLUc7XyfXo5HmBQmLDcVrjiA0wcVsBlhd6azx/3Xj 4p4VwkXVBGxznpAjPlzqBXHfWME27eFY83bwKKzAoNlTu6PIO/XL5sy1 rChpvsoy5vbulnN9vHTF3SJzEQ5M0JxxcSEQsF9hPsy6IJYhC7TU7TqN Js1l2g== TXT 10 2 28800 20260814151322 20260810141938 17945 tu.berlin. NrAbuO8vXMjVA+DZiSS8ZgEaBYFBoPUHMaDbbH24PVbf1MQ4VPwNP1a9 z3jAwqmiEpn4v0I3bIxuPnwFW1yus+d9j8JxVVM31ma4R8RpR+wJBGUu Y4rgyqJhbFSGPXw12Jnz1p862VmVXGxhlUbPJCpiAp6rn5pqOTCPfeLs OYsNS5fbTBIkEFY4/KnDFPa6QG9hur0mUpr31Nr3zCJB2SNIrSXKl2Xj PcdrA2HJk0yaXmcow3+9kX7bQWS6iM+hwDYc0R5E052j3MDVdxmjizE+ IhP6ggs0TRp5YQt45gZZ3C4+neV70JgnUpjGxZlGw78ZXxPMgVjHGBhU pXiB+g== TXT 10 2 28800 20260814151322 20260810141938 50685 tu.berlin. CV0qGDPVThxtezWcwDgPKl+snoAyx2tcLWNtkJ6QGAxh+wJfQuG6AbE1 nFTMWQB2Go1IMMAYmbAuhc5/GuWiWKhrQD5DCmmz99Igxxy6NJnbeitf pWqgxbVZVYRJMG+lCL1aMxXyWhIysvYtQGck44hcbPe3C6U9Z10tGnLn KfpGQr7L0ei+WIvcwBRXJ3YAoUs59amqIZZa6QgdDF8oa3Q9PjJTWqY5 8Tp19kZ+NV6+f/sVX1C1IGvKC6dMONDqV30YORXhMDvemotWvJoePIhv O5W6UIim2O0FJUqy/R1Hi1y1mUesCbGXfR2OIjzs2vKrwIDF0lFuMJAi Otdx5w== NS 10 2 28800 20260814143216 20260810140857 17945 tu.berlin. Ivkb8M9WNkXyQJ2NzOjD1LTnNerYtF1hVhmIn27MCsn7H/PJGatPIYBm 77CmQ6ENGaQkKfc3MRgydW/QKbqV1isnGYiRBIf5E83E9kWmknvc+3g3 CJbaPBr8QC3uV3JfeHg3tR2taC3KKVI61P4GxcdCX161zgnZeNMj77KN +Dn2/C4k5yStueIjoQoN0lGFjCgotZiT3I+AHBXF47jSRQOtnMzarBqZ cvDhaLkKTwd+5gfGofOsIeO8K1X+cDMcTZQByQUr51ps7IRVleKJqQWK NzGkIKcWAmqj8KJI6WKVI+JaZvYDEKY12IbrMTp4qeL5vSzzfSz77Iec NJ9lcQ== NS 10 2 28800 20260814143216 20260810140857 50685 tu.berlin. ZPAOBNzdze4QvnTYFQh2LuEVsI8AcyxLe+uM38H4bPxKLu+8k8FGMam5 fyls7mYvmM7SbdJLl5sxcdYnFrOAtK+sXuL1hb9TrU4iw0pxp7K9K8k2 b4h3ZX+cDZ6tkDbZm8oluRGx17IxqbeP4at5t5wb25gc9no9rgFlMKUb kWsdXc0QTrnz7SjAvdCdtRW3IBbyKDWP8byJjqONjtt3TtdJ0nJjSoTy kZIpGCpZjTsYWmA3k2gLtnOFJJzyV0NLHzzRTrPT5reWiA0Y7lD0g7j1 vaLgOF7aKzvTAvdzLY2YziUQAlhzwEko7uykwVGm6JXVMIfm9LI2oMBZ c/fD2Q== A 10 2 28800 20260814053758 20260810045322 17945 tu.berlin. LFZ2HAqHwfYSTDKR+uUVQHeu95dZA8B5rdmRSh/AmkU+d2DvpFiQNJZ6 k5s00YTzxUmsC7c8/0vBzaXo3nDerZ6/xU2J83YGH0frNqb2r6dgE1qY Jz6UBKzuwwIKQFgDM3CKvjCEzlD8pRpsdMUquDzEMtT+uA2pRFX1BqkS nNxXX69S838B5ky0h23qAL16+TomZXVWsiZHr7jRK8fcD/9lE3QgDIPm kA2vvd41ZI5xQ+1de/sTlTAcNl50+Bx35bVjYRinYzIdCq/HQ5BgO33O ic/e8KAP5vieYpOBHLL6Ib3uHT6zum/CBFrfNA/jeHv7aYZq9DQwYjVl xR2XcA== A 10 2 28800 20260814053758 20260810045322 50685 tu.berlin. LmGaAK3ZmJtxh2d8tzz2nrTPNP2KIFi7tA16hlxQbSy0LMKCcZN38YVN lYD1DunLlxMRaJlBeugzvY4AYTmAG0a62AgYD0I1o5Y7IWzV2GmKekLz xK+P58HXcmbYThGYWrpzxLYje+d2pefSHJfR5zdUKJMHGiov2xdWNOeL 6qXbyhzO1h8fkiKJU5lqTZFeIInZsL8IbXNusy7mA0tEgNeWi6gzG7Hu 7xF52P9xqfVTrPJkUPj52GHSOZN3rJwWTvR1ysfjGc0bc+c/PKI5wl/W x0xiwqUMvOrMAjYWg1T0HX0A+G+ACc9SuqZYZoOVBs4hkqHHUFO5G7Z4 FhTYBQ== DS 8 2 14400 20260816004620 20260809052010 3391 berlin. pzlraQwUkmtLLXiuuMMM/JPL4XDZnpHlKi2HmOasJ2bZitdoOYXJdjGw vpfRSH+RzvQ3WLS918dWg5/TbODEaxlh35sebaeqmlO4Ta7fFh7pRueX cnyPgc2D3UoMP16gOAuoyc5h4tbuhqaAQYwMYOQKhbjla9PvO/8jgWIa yTU=
NSEC
0 record(s)—
Not configured
NSEC3
0 record(s)—
Not configured
SRV
0 record(s)—
Not configured
NAPTR
0 record(s)—
Not configured
TLSA
0 record(s)—
Not configured
SSHFP
0 record(s)—
Not configured
SPF
Configuredv=spf1 ip4:130.149.7.33/32 ip4:130.149.7.70/32 ip4:141.23.12.141/32 ip4:141.23.12.142/32 ip4:141.23.12.143/32 ip4:194.95.233.66/32 ip4:194.95.235.66/32 ip4:194.95.239.66/32 ~all
DMARC
Configuredv=DMARC1;p=quarantine;sp=none;pct=100;rua=mailto:postmaster@win.tu-berlin.de;rf=afrf;ruf=mailto:postmaster@win.tu-berlin.de;fo=1;ri=86400;adkim=r;aspf=r
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Technische Universität Berlin - TU Berlin
Description
Mitten in Berlin entstehen bei uns an der Universität die Ideen für die Zukunft. Zum Nutzen der Gesellschaft.
Final URL
https://www.tu.berlin/
HTTP status
206
HTTP
Status
HTTP/2 200
Final URL
https://www.tu.berlin/
Version
3
Server
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Hellenic Academic and Research Institutions CA
CN
tu.berlin
Valid from
2025-12-11T09:56:40-06:00
Valid until
2026-12-11T09:56:40-06:00
Days remaining
122
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256
Security headers
5 activeHSTSImplemented
Content Security PolicyImplemented
X-Content-Type-OptionsImplemented
X-Frame-OptionsImplemented
Referrer PolicyImplemented
Permissions PolicyNot detected
Cross-Origin-Opener-PolicyNot detected
Cross-Origin-Embedder-PolicyNot detected
Cross-Origin-Resource-PolicyNot detected
DNS propagationComparison across public resolvers
Public resolver comparison
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8141.23.73.70
63,67 ms
Cloudflare
1.1.1.1141.23.73.70
471,27 ms
Quad9
9.9.9.9141.23.73.70
23,22 ms
OpenDNS
208.67.222.222141.23.73.70
735,69 ms
AdGuard
94.140.14.14141.23.73.70
496,64 ms
IP, geolocation and ASNAssociated network information
141.23.73.70
No datasuccess
No
country
region
city
asn
organization
isp
Visitor information
Visitorip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No
SMTPEmail port connectivity
b1861.mx.srv.dfn.de
Port 25: Closed/unreachable - 116 ms - Port 465: Closed/unreachable - 4142.5 ms - Port 587: Closed/unreachable - 4124 ms -