tjekbyg.dk

Records from scan: 2026-10-02 08:02:42 · 571ms total · last checked 2026-10-17 03:31 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tjekbyg.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 10 November 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.109.94 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.109.94	3600s	linux27.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.109.94
🔶 Autoconfig	94.231.109.94

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-13 00:38:14

www	94.231.109.94 (AS48854) (address records, no CNAME)
www vs bare domain	Same network tjekbyg.dk: 94.231.109.94 (AS48854) www.tjekbyg.dk: 94.231.109.94 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

107ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

29ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-13 12:51:04

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-11-10
Expires	2026-11-09 (22d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

34ms

35ms

AAAA

44ms

TXT

99ms

CAA

43ms

HTTPS

36ms

TLSA

49ms

SOA

29ms

MTA-STS

51ms

DNSSEC

107ms

SRV

51ms

Total

571ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 08:02:42 shown	571ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-01 08:01:14	375ms	3 NS 1 A 0 MX	🔒 Secure
2026-09-04 14:39:32	553ms	3 NS 1 A 0 MX	🔒 Secure
2026-09-02 10:57:14	481ms	3 NS 1 A 0 MX	🔒 Secure
2026-08-15 10:21:57	593ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-25 01:11:09	800ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-24 15:17:40	1901ms	3 NS 1 A 0 MX	🔒 Secure
2026-06-17 14:16:41	1498ms	3 NS 1 A 0 MX	🔒 Secure