entu.dk

📜 Historical scan 2026-09-30 07:21:11 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

entu.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.23.255.151 is hosted by Fiberby ApS (AS42541) 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 36ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.23.255.151	3600s	89-23-255-151.ip4.fiberby.net	AS42541	Fiberby ApS	89.23.224.0/19	🇩🇰 Denmark	Copenhagen

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	entu.dk → 89.23.255.151
🔶 Autoconfig	entu.dk → 89.23.255.151

🔷 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#

latest probe, not this scan · checked 2026-10-18 11:42:19

www CNAME	entu.dk (all on entu.dk) → 89.23.255.151 (AS42541)
www vs bare domain	Same network entu.dk: 89.23.255.151 (AS42541) www.entu.dk: 89.23.255.151 (AS42541)
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

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.entu.dk	entu.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026090702
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

36ms

43ms

33ms

AAAA

34ms

TXT

153ms

CAA

43ms

HTTPS

35ms

TLSA

135ms

SOA

0ms

MTA-STS

65ms

DNSSEC

79ms

SRV

56ms

Total

767ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 07:34:41	837ms	3 NS 1 A 0 MX	🔒 Secure
2026-09-30 07:21:11 shown	767ms	3 NS 1 A 0 MX	🔒 Secure
2026-09-07 19:15:47	636ms	3 NS 1 A 0 MX	🔒 Secure
2026-08-13 09:28:51	788ms	3 NS 1 A 0 MX	🔒 Secure
2026-08-07 20:15:15	737ms	3 NS 1 A 0 MX	🔒 Secure
2026-08-03 07:34:01	1142ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-31 17:46:04	8786ms	3 NS 1 A 0 MX	🔒 Secure
2026-07-08 14:34:39	1802ms	3 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:47:11	813ms	3 NS 0 A 1 MX	🔒 Secure
2026-06-17 07:50:29	558ms	3 NS 0 A 1 MX	🔒 Secure