teacherhack.dk
📜 DNS record history  ·  ← Current records
📜 Record History6 scans · 23 changes
Scanned AtChanges since previous scan
2026-08-03 07:17:01
NS + ns1.simply.com + ns2.simply.com + ns3.simply.com − ns01.one.com − ns02.one.com
A + 94.231.103.157 − 77.111.241.103
MX + 10 mx.simply.com − 10 mx1.pub.mailpod12-cph3.one.com − 10 mx2.pub.mailpod12-cph3.one.com − 10 mx3.pub.mailpod12-cph3.one.com − 10 mx4.pub.mailpod12-cph3.one.com
AAAA − 2a02:2350:5:104:803b:f2b7:1f27:f0c2
TXT + v=spf1 include:spf.simply.com -all
TLSA + _25._tcp.mx.simply.com 311 A9D603AF4D7ED6B9246B4B68500CD6F232B7E8472ED0006626952106C370DD7F + _25._tcp.mx.simply.com 311 97A3BA009F39C761BFFB6574340E813854914EF3B179330823A6980AFAFB533B − _25._tcp.mx1.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED − _25._tcp.mx2.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED − _25._tcp.mx3.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED − _25._tcp.mx4.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED
SOA + serial 2026073001 − serial 2026060602
DMARC + v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;
DNSSEC + insecure − secure
2026-06-27 03:29:29 no changes
2026-06-24 05:06:33
NS + ns01.one.com + ns02.one.com
A + 77.111.241.103
MX + 10 mx1.pub.mailpod12-cph3.one.com + 10 mx2.pub.mailpod12-cph3.one.com + 10 mx3.pub.mailpod12-cph3.one.com + 10 mx4.pub.mailpod12-cph3.one.com
AAAA + 2a02:2350:5:104:803b:f2b7:1f27:f0c2
TLSA + _25._tcp.mx1.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED + _25._tcp.mx2.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED + _25._tcp.mx3.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED + _25._tcp.mx4.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED
SOA + serial 2026060602
DNSSEC + secure − indeterminate
2026-06-24 03:09:12
NS − ns01.one.com − ns02.one.com
A − 77.111.241.103
MX − 10 mx1.pub.mailpod12-cph3.one.com − 10 mx2.pub.mailpod12-cph3.one.com − 10 mx3.pub.mailpod12-cph3.one.com − 10 mx4.pub.mailpod12-cph3.one.com
AAAA − 2a02:2350:5:104:803b:f2b7:1f27:f0c2
TLSA − _25._tcp.mx1.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED − _25._tcp.mx2.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED − _25._tcp.mx3.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED − _25._tcp.mx4.pub.mailpod12-cph3.one.com 311 D91CB8AC124CB360F986182813BDF3FD8867731BE79AC73E9AF90BEE595F5AED
SOA − serial 2026060602
DNSSEC + indeterminate − secure
2026-06-20 04:55:07 no changes
2026-06-17 20:12:21 baseline 2 NS · 1 A · 4 MX · 1 AAAA · 4 TLSA · serial 2026060602 · DNSSEC secure

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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