mastertech.dk

📜 Timeline and DNS record history  ·  ← Current records

🕰️ Timeline#

5 events

Current WHOIS: Registrar CURANET A/S · status Active · VID no · expires 2026-12-31 (fetched 2026-10-03).

WhenWhatChange
2026-12-31 upcoming⏳ WHOISPaid until this date (WHOIS expiry) unless it is renewed.
2026-09-06 21:17📬 MailMail servers changed: + mx1-dk.centerasecurity.dk + mx2-dk.centerasecurity.dk + mx3-dk.centerasecurity.dk
2026-06-18 05:52🔎 ScanFirst scanned: delegated to edna.ns.cloudflare.com, kai.ns.cloudflare.com.
2026-06-16🌱 ZoneAlready in the .dk zone when our tracking began.
1998-11-17📝 WHOISRegistered (the WHOIS registration date).

Zone-list changes since our first list import, DNS changes from our scans, registrar moves and WHOIS status, VID and expiry changes as we fetched them (WHOIS is sampled, so a change is dated when we saw it, not when it happened).

📜 Record History#

12 scans · 30 changes
Scanned AtChanges since previous scan
2026-10-06 14:15:58
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBfwAgACDUntkPY7Rga9rdu9Y5g2nJfA3bKCI0jDUswrpmVs69ewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBBgAgACC0smk8WqGqmL4QxFOFLelCk1nFAHsNLgOatmXlLGwoQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
SOA + serial 2416755332 − serial 2416508276
2026-10-03 13:15:04
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBBgAgACC0smk8WqGqmL4QxFOFLelCk1nFAHsNLgOatmXlLGwoQQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBDgAgACAaFhydnu8kK6/UaCEbSrWmlFHgQUpbFZrBsBvCR5CaFgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
SOA + serial 2416508276 − serial 2415059962
2026-09-17 00:00:31
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBDgAgACAaFhydnu8kK6/UaCEbSrWmlFHgQUpbFZrBsBvCR5CaFgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBvgAgACAPvs3xX785oantqlNDKNSe/e0QTKtHSOXuwPFVZmmEMAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
SOA + serial 2415059962 − serial 2414681733
2026-09-12 16:11:21
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBvgAgACAPvs3xX785oantqlNDKNSe/e0QTKtHSOXuwPFVZmmEMAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBEAAgACAegj4fmTjvi6qZBBAjjU4MQzVkGUpNZtvZgKXRh1spXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
SOA + serial 2414681733 − serial 2413655918
2026-09-06 21:17:14
MX + 10 mx1-dk.centerasecurity.dk + 10 mx2-dk.centerasecurity.dk + 20 mx3-dk.centerasecurity.dk
TXT + v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBEAAgACAegj4fmTjvi6qZBBAjjU4MQzVkGUpNZtvZgKXRh1spXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBZQAgACBUTUY7OTXYVM5MTW5jPMHIeedtzH3an24FIJzEO6tkeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
TLSA + _25._tcp.mx1-dk.centerasecurity.dk 311 D4C349E7B72F5CF4A9CEA358F98947C2387AF6933F578BC7260903798D2EAFF9 + _25._tcp.mx1-dk.centerasecurity.dk 311 56315B43B892E9AEE184919EC6A5821CED76F34721B00C883C3D0298BA0278E9 + _25._tcp.mx2-dk.centerasecurity.dk 311 D4C349E7B72F5CF4A9CEA358F98947C2387AF6933F578BC7260903798D2EAFF9 + _25._tcp.mx2-dk.centerasecurity.dk 311 56315B43B892E9AEE184919EC6A5821CED76F34721B00C883C3D0298BA0278E9 + _25._tcp.mx3-dk.centerasecurity.dk 311 56315B43B892E9AEE184919EC6A5821CED76F34721B00C883C3D0298BA0278E9 + _25._tcp.mx3-dk.centerasecurity.dk 311 D4C349E7B72F5CF4A9CEA358F98947C2387AF6933F578BC7260903798D2EAFF9
SOA + serial 2413655918 − serial 2412608129
DMARC + v=DMARC1; p=reject; rua=mailto:63c7d7278d628@dmarc.centerasecurity.com;
2026-08-28 10:34:30
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBZQAgACBUTUY7OTXYVM5MTW5jPMHIeedtzH3an24FIJzEO6tkeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBfAAgACCaSdKfOkVtfgrEvjJZeX9Z9pz8VM9uru6pv09/4UTVLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
2026-08-19 20:08:08
A + 104.21.70.77 + 172.67.221.163 − 188.114.96.1 − 188.114.97.1
AAAA + 2606:4700:3032::6815:464d + 2606:4700:3037::ac43:dda3 − 2a06:98c1:3120::1 − 2a06:98c1:3121::1
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBfAAgACCaSdKfOkVtfgrEvjJZeX9Z9pz8VM9uru6pv09/4UTVLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB/QAgACAqtBNXRxasqaCugfdwlLcAOtDdC3ksMbcp1HBxTlURUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1
SOA + serial 2412608129 − serial 2411396558
2026-08-08 03:58:13
A + 188.114.96.1 + 188.114.97.1 − 104.21.70.77 − 172.67.221.163
AAAA + 2a06:98c1:3120::1 + 2a06:98c1:3121::1 − 2606:4700:3032::6815:464d − 2606:4700:3037::ac43:dda3
HTTPS + 1 . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBB/QAgACAqtBNXRxasqaCugfdwlLcAOtDdC3ksMbcp1HBxTlURUQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBkwAgACC5iWFvvsMrmhs/uCA/ze2z45WH98ust986kauT6DlHcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
SOA + serial 2411396558 − serial 2410534528
2026-07-26 17:45:55
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBBkwAgACC5iWFvvsMrmhs/uCA/ze2z45WH98ust986kauT6DlHcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBB5AAgACCXQ4K5U5YYkvWJSdy1MsMRUSjOIQcakxELeXwyrv1xFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
SOA + serial 2410534528 − serial 2409962064
2026-07-20 13:09:22
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBB5AAgACCXQ4K5U5YYkvWJSdy1MsMRUSjOIQcakxELeXwyrv1xFwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBB3gAgACCPKMPUWYsfllfGVguuvZBi9k/vK3KCiR6DJ8kZWt9oGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3
SOA + serial 2409962064 − serial 2408460925
2026-07-03 10:17:59
AAAA + 2606:4700:3032::6815:464d + 2606:4700:3037::ac43:dda3 − 2606:4700:3031::6815:464d − 2606:4700:3033::ac43:dda3
HTTPS + 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBB3gAgACCPKMPUWYsfllfGVguuvZBi9k/vK3KCiR6DJ8kZWt9oGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:464d,2606:4700:3037::ac43:dda3 − 1 . alpn="h3,h2" ipv4hint=104.21.70.77,172.67.221.163 ech=AEX+DQBB5QAgACChQx2i+yB+lajFIzQxGHXruxhXb+XaBa5Rn/GiSbZUegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:464d,2606:4700:3033::ac43:dda3
SOA + serial 2408460925 − serial 2406595533
2026-06-18 05:52:32 baseline 2 NS · 2 A · 2 AAAA · 1 HTTPS · serial 2406595533 · DNSSEC insecure

Each row compares a scan to the one before it. “baseline” is the oldest scan in the window (last 12 scans). Click a timestamp to view that full snapshot.

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