yubikey.dk
📜 DNS record history  ·  ← Current records
📜 Record History4 scans · 17 changes
Scanned AtChanges since previous scan
2026-06-23 20:06:22 no changes
2026-06-22 17:46:12
NS + ns-cloud-a1.googledomains.com + ns-cloud-a2.googledomains.com + ns-cloud-a3.googledomains.com + ns-cloud-a4.googledomains.com
A + 35.190.17.235
MX + 0 .
AAAA + 2600:1901:0:e733::
TXT + v=spf1 -all
CAA + iodef mailto:tlsadmin@yubico.com + issue letsencrypt.org + issue pki.goog
SOA + serial 1
DMARC + v=DMARC1; p=reject; rua=mailto:dmarc-rua@yubico.com
DNSSEC + insecure − indeterminate
2026-06-21 15:33:37
NS − ns-cloud-a1.googledomains.com − ns-cloud-a2.googledomains.com − ns-cloud-a3.googledomains.com − ns-cloud-a4.googledomains.com
A − 35.190.17.235
AAAA − 2600:1901:0:e733::
TXT − v=spf1 -all
CAA − iodef mailto:tlsadmin@yubico.com − issue letsencrypt.org − issue pki.goog
SOA − serial 1
DMARC − v=DMARC1; p=reject; rua=mailto:dmarc-rua@yubico.com
DNSSEC + indeterminate − insecure
2026-06-18 00:27:29 baseline 4 NS · 1 A · 1 AAAA · 1 TXT · 3 CAA · serial 1 · DMARC · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 4 scans). Click a timestamp to view that full snapshot.

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