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Total

DNS

Email

Security

Network

100

Availability

Domaingu.se

IPv41

IPv60

MX records1

StatusActive

Domain technical report

Hem | Göteborgs universitet

gu.se

Generated: 2026-08-09T03:09:13-05:00 · Cached result

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IPv41

IPv60

MX1

NS4

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

4 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

1 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

42 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers8 / 35 pts · Security

2 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: k8s.gu.se

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/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

130.241.39.203

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 gu-se.mail.protection.outlook.com.

TXT

18 record(s)

"atlassian-domain-verification=6Z6mb/CK6tL0szYjaJhRwpuBMgurE2vRjNw7AHfrowHpyFCT6aU25yAaEPEC7a3T"
"MS=ms77028744"
"google-site-verification=d51zezRWehjY_tfUfKR25u-IJsh9ri5QiK88i73cpBw"
"HARICA-LO8cC2JGZhFEThSBpeG"
"mandrill_verify.oCFTiTf4NIqZmUDkSDW1vA"
"facebook-domain-verification=y5y71rnwe34fx1x2rj5w9jjdin0me8"
"M6qB2nDaE4odoBIVY6t2HSH3d5wyAPyQsgmW5pd1/Lc4z4KhJuTJ42x3AzZ1nmomSwAS/S9LAkHZ5r1BSz2yzg=="
"lime-domain-verification=2EFB0D28674E1A3"
"apple-domain-verification=ocfEtR2ZhZkwBWeK"
"openai-domain-verification=dv-WdBUPW7PT8qX1Ws9jG5XZee0"
"facebook-domain-verification=nmt239dvy5mjzpu24ngkelqe9ww6r4"
"mentimeter-5a7c3cdb-74b0-43f5-bad0-f7bc1cd02a8f"
"mandrill_verify._CuH-xX7ZMOZE2ysN8mEjg"
"miro-verification=d5a6a5db9288449281bc36da55d0a056ba08bdb2"
"adobe-idp-site-verification=c2a0682bad454fc9abdaac816101ff94104948d70179e0bba9cc94fa464564cf"
"projectdiscovery-verification=23294731ed"
"HARICA-jBlxZ3v25ZVvol58IVw"
"v=spf1 ip4:130.235.56.200 ip4:79.136.98.172 ip4:91.123.56.128 ip4:193.26.30.0/25 ip4:217.28.204.8 ip4:195.10.211.16 ip4:193.12.108.68 ip4:213.157.70.73 ip4:213.157.70.75 ip4:88.151.78.132 ip4:130.241.135.107 ip4:130.241.135.110 " "include:spf.protection.outlook.com ip4:130.235.56.199 ip4:130.235.56.200 ip4:130.235.56.201 ip4:130.235.56.202 ip6:2001:6b0:16:1:5ee:bad:c0de:2200 ip6:2001:6b0:d:708:10:240:8:46 ip6:2001:6b0:d:708:10:240:8:48 ip6:2001:6b0:16:1:5ee:bad:c0de:2199 " "ip6:2001:6b0:16:1:5ee:bad:c0de:2201 ip6:2001:6b0:16:1:5ee:bad:c0de:2202 ip4:130.235.62.19 ip4:130.235.62.13 ip4:130.235.56.203 ip4:88.151.73.29 ip4:77.237.55.139 ip4:52.232.27.151 include:_spf.anpdm.com include:spf.hostingconnection.eu " "ip4:130.241.170.85 ip4:130.241.170.86 ip4:23.90.119.90 ip4:23.90.119.91 ip4:23.90.117.190 ip4:23.90.117.191 include:mail.webropolsurveys.com include:spf.mandrillapp.com include:spf.gansend.com include:_spf.ungapped.io " "include:spf.multinet.com ~all"

NS

4 record(s)

ns2.net.gu.se.
sunic.sunet.se.
ns1.net.gu.se.
ns2.chalmers.se.

SOA

1 record(s)

ns1.net.gu.se. guns.gu.se. 2025140450 14400 3600 1209600 7200

CAA

6 record(s)

0 issue "sectigo.com"
0 issue "letsencrypt.org"
0 issue "digicert.com"
0 issue "godaddy.com"
0 issue "pki.goog"
0 issue "harica.gr"

DS

2 record(s)

18355 8 2 0ADC6C1140955DF21BAE89BDB46291D075E7D8180CA0CDF39306068D 6AEF9A74
18355 8 1 ED0D501180BF6CFD5A7ED37C2BB797B6C2DE40B1

DNSKEY

2 record(s)

257 3 8 AwEAAZwfOGFjakD7ALgGJ4TvGI7108G7MNoaBjX5+ItfIm03VA0GQm9o naWJ61QUHHwH8g2582e4w0E287OooZm6y7Cj6xq0R2U+avkbQxqG2t4Z CxGacORNQKuNIH2/TaWJIahEC/q2QxD0hUwTINK+paz1LHwYCRgPhzyS ociJyG0ZzPf3olyRLlKB9m0PQlvUOM+s057//8EYikBux/jEvVGg3bh3 fXqlvS9zY1ucu7jR4nplyVd/7h+7VJSKxi78rQBtTC8z9smHZ5QiRQPy 5rgHh+xG6sNXuM8oXJXBBJzJ0z1S4xeWeLE6HzizdHAcvmONQqcEPSXV WFeJwiiDwFs=
256 3 8 AwEAAbZOwX2fGTWnn4lzWUbW85bN5bAzGZWIT5srlh7DJAR8qvaYEQh+ 3sJC32RFmPzsq0O5G2x4Op7HsfCDLDkij2CtRpZniEZEVVN40OyUxA4g sIrwNZWjJhuALuhSR5DGld+vxr8Gsk9yMoLOjzLzmNe+E4AkgPrfNkLt efAe1M2X

RRSIG

5 record(s)

DNSKEY 8 2 86400 20260907032004 20260808022005 16525 gu.se. kr5bmyZkrF+2UsQzzFuNC+ypz85C+RyoAU+3+nHMqxVgD5GEDZwbfxGY 7SJdBMM+lgMLzLQrW70FyasA8HVuMqyD9WFnonvQnUu+0iT6+usGOPMP pCXeEPBVsiAgzka56fq3aeaWckko03RuS6twHspMusdpbfDRoTeyiTnd Pcc=
DNSKEY 8 2 86400 20260907032004 20260808022005 18355 gu.se. Qitt4l2LhF7cwpRGADGv5GyNFHpriyo0JcrNdm6CQ1lf8cGyvTHVeSoh j3XHf4GxjFOUVhdovbzL8/+r0bDb4AhL4Qe9uZbkrgPgbl7ykNHSR3Ig u2XDdatTgW8ULTr7vvtMohy8YyTtDxMf8OnOM3PYVedBCoPXwAxJP3li zCZ/7WkHAQYZ8rM6B/BCaECeG558DIS01+aRD2m+Kikms00ubVcESfbV l0UiG9u5Gvi1Wl2OpFX/1gzAmafQVIXVGatJ+SPTUq2bvYtkLQIaDD6c IoKSPpkD2cpzK8xW9OBGjFiEF/rihoaWndVJafvE9MiJTyQ7bVZ3FekZ hm4s9g==
SOA 8 2 86400 20260908080358 20260809070358 16525 gu.se. RCQ3srT9eTln2kGVt4UcAesJur37b0lpng+FVupUw3ybDvSLEI8JyB1p 8fB/FctMVzCAw5JQKGxDclo9FTnrblAPfuQCXlFIvteFzFaGRXuRqD1t WkAre5HkSoIWvvmuYIOoZy+AqVSJK1yD3cxtj/KKwueiI1G63sfaNmu0 DvI=
MX 8 2 303 20260906124202 20260807114538 16525 gu.se. CN4aHPYA7LCxo9JkENa4bAPcgSu2DTTUL0TTAjaAC779g6i1xD9qW585 ScSdMJW08yeZssaKUqWUw2j2JlbSeWu4I0ybA4dCREnv98H/EUliX2NP Zfc8OSxOp6AIkDwd3YluZ5dhcVfGBg+rzKk/9DE2phZbS0yKKSoN9/VL EBE=
NS 8 2 86400 20260826054629 20260727053359 16525 gu.se. EqSa2lIS11ZV+y1PfTHK1LWmmLHzVEFMEKr+Nrfmbew0XjthBujT8+Nq Xw6qsK5koUDgdMrkLQSd9Y9/cDiTERYC3pUCSBaiecPmYUgB7lWjxpUA Vp5thjPGXcB1QWhxbsrkPyFrV5cby8MtXHbhYcjjqzuANHZ3Qr2eEhaA B0w=

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

Configured

v=spf1 ip4:130.235.56.200 ip4:79.136.98.172 ip4:91.123.56.128 ip4:193.26.30.0/25 ip4:217.28.204.8 ip4:195.10.211.16 ip4:193.12.108.68 ip4:213.157.70.73 ip4:213.157.70.75 ip4:88.151.78.132 ip4:130.241.135.107 ip4:130.241.135.110 include:spf.protection.outlook.com ip4:130.235.56.199 ip4:130.235.56.200 ip4:130.235.56.201 ip4:130.235.56.202 ip6:2001:6b0:16:1:5ee:bad:c0de:2200 ip6:2001:6b0:d:708:10:240:8:46 ip6:2001:6b0:d:708:10:240:8:48 ip6:2001:6b0:16:1:5ee:bad:c0de:2199 ip6:2001:6b0:16:1:5ee:bad:c0de:2201 ip6:2001:6b0:16:1:5ee:bad:c0de:2202 ip4:130.235.62.19 ip4:130.235.62.13 ip4:130.235.56.203 ip4:88.151.73.29 ip4:77.237.55.139 ip4:52.232.27.151 include:_spf.anpdm.com include:spf.hostingconnection.eu ip4:130.241.170.85 ip4:130.241.170.86 ip4:23.90.119.90 ip4:23.90.119.91 ip4:23.90.117.190 ip4:23.90.117.191 include:mail.webropolsurveys.com include:spf.mandrillapp.com include:spf.gansend.com include:_spf.ungapped.io include:spf.multinet.com ~all

DMARC

Configured

v=DMARC1; p=none

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC7LGiIgHWjjnQFIOpIfAcSIxWhD44dEmqL4/Zy+GF8fBiPRpQoNPNB7z4TJ2cuKCEI6MnG1nvAm61TXcI2orsPBlMma2SKRLdd0CqbbuQjLXA8/1UP7GSJi95B7ZSF2gOer356o8cK3dQUS9sOroCVpWQQyjFDkzAXl6IPf25WQwIDAQAB; n=1024,1456195505,1471920305

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Hem | Göteborgs universitet

Description

Final URL

https://www.gu.se/

HTTP status

206

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.gu.se/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

gu.se

Valid from

2026-06-23T01:11:49-05:00

Valid until

2026-09-21T01:11:48-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

2 active

—

HSTSNot detected

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

—

Referrer PolicyNot detected

—

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

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

130.241.39.203

186,56 ms

Cloudflare

1.1.1.1

130.241.39.203

151,38 ms

Quad9

9.9.9.9

130.241.39.203

175,22 ms

OpenDNS

208.67.222.222

130.241.39.203

443,81 ms

AdGuard

94.140.14.14

130.241.39.203

143,89 ms

IP, geolocation and ASNAssociated network information

130.241.39.203

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

gu-se.mail.protection.outlook.com

Port 25: Closed/unreachable - 24.2 ms - 
Port 465: Closed/unreachable - 4021.2 ms - 
Port 587: Closed/unreachable - 4047.5 ms -

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