frederiksen-scientific.dk
📜 DNS record history  ·  ← Current records
📜 Record History5 scans · 20 changes
Scanned AtChanges since previous scan
2026-08-12 21:53:16
SOA + serial 2411915627 − serial 2410209607
2026-07-23 09:44:40
SOA + serial 2410209607 − serial 2406773245
2026-06-22 23:15:29
NS + emerson.ns.cloudflare.com + jean.ns.cloudflare.com
A + 104.26.10.249 + 104.26.11.249 + 172.67.71.48
MX + 0 frederiksenscientific-dk02i.mail.protection.outlook.com
AAAA + 2606:4700:20::681a:af9 + 2606:4700:20::681a:bf9 + 2606:4700:20::ac43:4730
TXT + google-site-verification=kXIZ8yvvwpIXeyc5iu7LqhVitbJl_hOqI8x-noZz1sA + google-site-verification=Rnb5AoqUh3xPfOz4_A8SKsIsMlKjqPGUtjADjQ0LiIw + spf.npstoday.com + v=spf1 include:spf.mentor-it.dk include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:servers.mcsv.net include:acemdns.com a:owa.frederiksen.eu ip4:167.89.108.1 ip4:167.89.108.13 ip4:167.89.92.35 ip4:176.62.207.99 include:spf.flowmailer.net -all
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.26.10.249,104.26.11.249,172.67.71.48 ipv6hint=2606:4700:20::681a:af9,2606:4700:20::681a:bf9,2606:4700:20::ac43:4730
SOA + serial 2406773245
DMARC + v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; rf=afrf; pct=100; ri=86400
DNSSEC + insecure − indeterminate
2026-06-22 11:14:44
NS − emerson.ns.cloudflare.com − jean.ns.cloudflare.com
A − 104.26.10.249 − 104.26.11.249 − 172.67.71.48
MX − 0 frederiksenscientific-dk02i.mail.protection.outlook.com
AAAA − 2606:4700:20::681a:af9 − 2606:4700:20::681a:bf9 − 2606:4700:20::ac43:4730
TXT − google-site-verification=kXIZ8yvvwpIXeyc5iu7LqhVitbJl_hOqI8x-noZz1sA − google-site-verification=Rnb5AoqUh3xPfOz4_A8SKsIsMlKjqPGUtjADjQ0LiIw − spf.npstoday.com − v=spf1 include:spf.mentor-it.dk include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:servers.mcsv.net include:acemdns.com a:owa.frederiksen.eu ip4:167.89.108.1 ip4:167.89.108.13 ip4:167.89.92.35 ip4:176.62.207.99 include:spf.flowmailer.net -all
HTTPS − 1 . alpn="h3,h2" ipv4hint=104.26.10.249,104.26.11.249,172.67.71.48 ipv6hint=2606:4700:20::681a:af9,2606:4700:20::681a:bf9,2606:4700:20::ac43:4730
SOA − serial 2406773245
DMARC − v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r; rf=afrf; pct=100; ri=86400
DNSSEC + indeterminate − insecure
2026-06-17 09:42:00 baseline 2 NS · 3 A · 1 MX · 3 AAAA · 4 TXT · 1 HTTPS · serial 2406773245 · DMARC · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 5 scans). Click a timestamp to view that full snapshot.

dhd.dk [/] search Domains, Hosts & DNS — .dk zone