matematikfessor.dk
📜 DNS record history  ·  ← Current records
📜 Record History6 scans · 17 changes
Scanned AtChanges since previous scan
2026-08-29 08:42:23
SOA + serial 2413334589 − serial 2413135751
2026-08-26 13:19:00
SOA + serial 2413135751 − serial 2408980776
2026-07-08 20:52:38
SOA + serial 2408980776 − serial 2406088621
2026-06-24 17:25:18
NS + jack.ns.cloudflare.com + rita.ns.cloudflare.com
A + 104.20.43.156 + 172.66.168.148
MX + 10 aspmx.l.google.com + 20 alt1.aspmx.l.google.com + 20 alt2.aspmx.l.google.com + 30 aspmx2.googlemail.com + 30 aspmx3.googlemail.com + 30 aspmx4.googlemail.com + 30 aspmx5.googlemail.com
TXT + _bfcxrdfdx2i7moruqop6fcbsrosf43z + ahrefs-site-verification_1ad5148ad0b4b45fd747bb95c0abbb1804c6a56c42aee85ec8ec164e098d05b8 + google-site-verification=DGwLEquGMDhgdAMrLYO4CBvay3h-1sUqtzMAwIKon5M + google-site-verification=jgp9kySin-Wc_1sBUTcsRJN5dDJ_p6Swv12i0f48iK4 + itk9l3bo0tkunqtq8b6f6bh12i + v=spf1 include:spf.dixa.io include:_spf.google.com include:spf.mandrillapp.com ~all
HTTPS + 1 . alpn="h2" ipv4hint=104.20.43.156,172.66.168.148
SOA + serial 2406088621
DNSSEC + insecure − indeterminate
2026-06-23 21:56:21
NS − jack.ns.cloudflare.com − rita.ns.cloudflare.com
A − 104.20.43.156 − 172.66.168.148
MX − 10 aspmx.l.google.com − 20 alt1.aspmx.l.google.com − 20 alt2.aspmx.l.google.com − 30 aspmx2.googlemail.com − 30 aspmx3.googlemail.com − 30 aspmx4.googlemail.com − 30 aspmx5.googlemail.com
TXT − _bfcxrdfdx2i7moruqop6fcbsrosf43z − ahrefs-site-verification_1ad5148ad0b4b45fd747bb95c0abbb1804c6a56c42aee85ec8ec164e098d05b8 − google-site-verification=DGwLEquGMDhgdAMrLYO4CBvay3h-1sUqtzMAwIKon5M − google-site-verification=jgp9kySin-Wc_1sBUTcsRJN5dDJ_p6Swv12i0f48iK4 − itk9l3bo0tkunqtq8b6f6bh12i − v=spf1 include:spf.dixa.io include:_spf.google.com include:spf.mandrillapp.com ~all
HTTPS − 1 . alpn="h2" ipv4hint=104.20.43.156,172.66.168.148
SOA − serial 2406088621
DNSSEC + indeterminate − insecure
2026-06-18 02:17:05 baseline 2 NS · 2 A · 7 MX · 6 TXT · 1 HTTPS · serial 2406088621 · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 6 scans). Click a timestamp to view that full snapshot.

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