nxdomain.dk

📜 Historical scan 2026-10-13 04:47:14  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nxdomain.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 16 December 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mailrelay.nxdomain.dk. 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   104ms
NameserverIP addressesPTRASN / 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   171ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mailrelay.nxdomain.dk 212.178.179.169 mailrelay.nxdomain.dk AS44869 FIBIA P/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverorion.nxdomain.dk → 212.178.179.163
🔶 Autoconfigorion.nxdomain.dk → 212.178.179.163

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records   206ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 1 443 orion.nxdomain.dk
_imaps._tcp 0 1 993 orion.nxdomain.dk

📝 TXT Records#

1 records   347ms
TXT Record
v=spf1 ip4:212.178.179.160/28 -all

✉️ SPF#

PolicyRecord (nxdomain.dk)
-all (hard fail) v=spf1 ip4:212.178.179.160/28 -all

📨 DMARC#

PolicyRecord (_dmarc.nxdomain.dk)
p=reject v=DMARC1; p=reject; rua=mailto:dkim-postmaster@nxdomain.dk

📬 MTA-STS#

455ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID2023062101
max_age604800s
Policy MXmailrelay.nxdomain.dk

📈 TLSRPT#

StatusReport address (rua)
✓ Enabled mailto:smtptlsreport@nxdomain.dk

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-21 21:30:13
wwwNXDOMAIN
www vs bare domainNeither resolves
nxdomain.dk: no address
www.nxdomain.dk: no address
WildcardNo
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — RSA Invalid key data — receivers can't verify signatures

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   128ms
Service / OwnerTypeCert association
SMTP _25._tcp.mailrelay.nxdomain.dk DANE-EE · SPKI · SHA-256 27D4636990473032011C569D5D0A0038…
SMTP _25._tcp.mailrelay.nxdomain.dk DANE-EE · SPKI · SHA-256 9A7188551AD40031CA7B6F426D5CB93C…

🔐 DNSSEC#

281ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

59ms
FieldValue
Serial2026101200
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-24 18:36:53
FieldValue
RegistrarSimply.com A/S
Registered2022-12-16
Expires2026-12-15 (51d)

🔗 Same registrant#

5 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
allcom.dkSimply.com A/S
cars-etc.dkSimply.com A/S
carsetc.dkSimply.com A/S
stodderlogen.dkSimply.com A/S
särna.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
104ms
A
173ms
MX
171ms
AAAA
174ms
TXT
347ms
CAA
165ms
HTTPS
172ms
TLSA
128ms
SOA
59ms
MTA-STS
455ms
DNSSEC
281ms
SRV
206ms
Total
1300ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-21 21:30:13 592ms 3 NS 0 A 1 MX 🔒 Secure
2026-10-13 04:47:14 shown 1300ms 3 NS 0 A 1 MX 🔒 Secure
2026-10-02 05:33:14 859ms 3 NS 0 A 1 MX 🔒 Secure
2026-09-30 05:16:45 521ms 3 NS 0 A 1 MX 🔒 Secure
2026-09-18 21:03:04 815ms 3 NS 0 A 1 MX 🔒 Secure
2026-08-27 04:16:38 689ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-25 14:09:19 827ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-24 07:26:21 3421ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-22 07:10:44 984ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-20 09:56:36 702ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-17 23:05:49 712ms 3 NS 0 A 1 MX 🔒 Secure
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