retoern.dk

📜 Historical scan 2026-10-04 09:23:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

retoern.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It first appeared in the .dk zone on 7 July 2026. Mail is handled by inbound-smtp.eu-west-1.amazonaws.com. The zone is DNSSEC-signed and validates, publishes a 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 48ms

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#

🌍

No A records found

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	inbound-smtp.eu-west-1.amazonaws.com	18.200.203.69 54.155.140.59 54.76.31.185	ec2-18-200-203-69.eu-west-1.compute.amazonaws.com ec2-54-155-140-59.eu-west-1.compute.amazonaws.com ec2-54-76-31-185.eu-west-1.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	66.241.124.186
🔶 Autoconfig	66.241.124.186

🔷 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#

Policy	Record (_dmarc.retoern.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-12 18:36:57

www	66.241.124.186 2a09:8280:1::127:4f8:0 (AS40509) (address records, no CNAME)
www vs bare domain	Only www resolves retoern.dk: no address www.retoern.dk: 66.241.124.186 2a09:8280:1::127:4f8:0 (AS40509) (all like this)
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.retoern.dk	retoern.dk.26l3zrw.flydns.net
TXT	retoern.dk.26l3zrw.flydns.net	KcJeLShqIo5mE9u5Hp0bjKaFpscEeg3CxaYlZB8RVGE
TXT	retoern.dk.26l3zrw.flydns.net	RW_k7RIqbG7PS3o_Oc01S4F2bVodSLqjCYHxWaEpW7I

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

42ms

Field	Value
Serial	2026100300
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#

48ms

29ms

37ms

AAAA

38ms

TXT

194ms

CAA

43ms

HTTPS

27ms

TLSA

100ms

SOA

42ms

MTA-STS

43ms

DNSSEC

113ms

SRV

46ms

Total

766ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:36:57	695ms	3 NS 0 A 1 MX	🔒 Secure
2026-10-04 09:33:39	457ms	3 NS 0 A 1 MX	🔒 Secure
2026-10-04 09:23:22 shown	766ms	3 NS 0 A 1 MX	🔒 Secure
2026-09-10 02:07:43	667ms	3 NS 0 A 1 MX	🔒 Secure
2026-07-07 08:59:40	2579ms	3 NS 0 A 1 MX	🔒 Secure