DNS Report: surf.nl

Generated: 2026-08-12T10:01:21-05:00

80/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
OKIPv6 (AAAA)10/101 IPv6 address(es) detected.
OKName server redundancy20/204 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
OKDNSSEC chain15/15DS and DNSKEY detected.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/55177 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: revproxy20.surfnet.nl
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40No successful HTTP response.
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
192.87.108.15
AAAA
2001:610:508:108:192:87:108:15
CNAME
MX
10 surf-nl.mail.protection.outlook.com.
TXT
"4KpnMi9KFXJveaqCcl7taNkGhTxHDB0ITMkEidiOEJa5vdx2+L/on3nrIAGKkvhZ8dnPomZoqaZK3Dhp+a9Ilg=="
"mentimeter-5e1dbed6-22e8-40bb-983d-cfb0d2f07fcd"
"HARICA-VWehW3vMzUEjKiV5qUi"
"adobe-idp-site-verification=bb247cf6e0162a264df1886109d59464c0de78dd3f1e04091bca1c4bf93d10cd"
"LwdgkMB+IUPOT7+0YXpUA6xInAPm/QkgJGuSci6msn1oZh76zdu2DuXkol9DSKQ4S50VZhZAxZvfRqwpaD7pCw=="
"google-site-verification=eBmfmfF08EHY7J6CNUWO3k_iKc1hisioiNIYDZ7l3nc"
"bw=vBRo1av7Hlff58uTo8JYIGGG1dVp67IqBa9Et9JaLpnr"
"MS=ms58073161"
"apple-domain-verification=g7uZuYdCUCKUQJEh"
"v=spf1 include:mailplus.nl include:soverin.net include:spf.protection.outlook.com include:spf.surf.nl include:mail.zendesk.com ~all"
NS
ns2.surfnet.nl.
ns1.surfnet.nl.
ns1.zurich.surf.net.
ns3.surfnet.nl.
SOA
ns1.surfnet.nl. dns-beheer.surf.nl. 2026081101 10800 3600 604800 3600
CAA
0 issue "sectigo.com"
0 issue "harica.gr"
0 issue "letsencrypt.org"
DS
58740 13 2 487E2E0415E08343E574D030B9CA251AD8724356787BE701D8253AED 37A3CB4E
DNSKEY
257 3 13 4IR7f3ESL8J06JhUhNkX6/bToN4IvpY22623AXrVPmXDW/6Iu8DCSSWn Eb6UwT0RyY5b+9yUT9nc7w/mXwXQ/w==
RRSIG
TXT 13 2 3600 20260820000000 20260730000000 58740 surf.nl. iNpX+78DqVNGX0AQzCQ4+Dovf/egQbR5Tixs89WQXrBYn0vBTxkCIWfD OYoHkkV/wvk/gWb9mJ8MpHA8jJqauA==
MX 13 2 3600 20260820000000 20260730000000 58740 surf.nl. LlICiBkwzuLevjz1fUdsV+Z05NSPbMcDiD3ebLPC0X2N5+3+XWbok+58 D6ciUQd/hOuFaOjq16/3qVNJlTN6+w==
DS 13 2 3600 20260831153851 20260803080721 467 nl. S2nYxIzdBEnB9E+KsdM0z+XEiuxEZubumxhJ38MbRAsZpXQ59VHNkfUa 2epKECOk42fOqMRX8TYIy+U/fwjENQ==
CAA 13 2 3600 20260820000000 20260730000000 58740 surf.nl. 9DgRcJzrky1nIYg2GisgR615gEQV7njNpqaD5limdo1Zznf0BP1J5u8Q Uckith+x131Wv04BbtzEwDlhB3VuPQ==
NSEC
NSEC3
SRV
NAPTR
50 50 "s" "x-eduroam:radius.tls" "" _radsec._tcp.eduroam.nl.
TLSA
SSHFP