sejersten-kloak.dk

📜 Historical scan 2026-06-21 12:45:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sejersten-kloak.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 31 July 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.226 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by sejerstenkloak-dk02c.mail.protection.outlook.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#

2 records 394ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 384ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.226	3600s	vm1030.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 196ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	sejerstenkloak-dk02c.mail.protection.outlook.com	2a01:111:f403:ca09:: 2a01:111:f403:ca09::2 2a01:111:f403:ca09::7 2a01:111:f403:ca09::e 52.101.68.10 52.101.68.3 52.101.73.16 52.101.73.22	mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.241.200
🔶 Autoconfig	185.21.42.226

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 403ms

TXT Record
apple-domain-verification=pjI0oLKDVUcXxzPn
MS=ms28396102
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sejersten-kloak.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.sejersten-kloak.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:pk@sejersten-kloak.dk; ruf=mailto:project-team@mnetworks.dk

📬 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 2026-10-13 09:05:22

www	185.21.42.226 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sejersten-kloak.dk: 185.21.42.226 (AS48854) www.sejersten-kloak.dk: 185.21.42.226 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-sejerstenkloak-dk02c._domainkey.sejerstenkloak.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

390ms

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

🏷️ SOA#

179ms

Field	Value
Serial	2025120101
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-17 11:59:36

Field	Value
Registrar	DANDOMAIN A/S
Registered	2001-07-31
Expires	2027-09-30 (346d)

🔗 Same registrant#

33 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).

Domain	Registrar
affaldspiktogram.dk	DANDOMAIN A/S
bendthansen.dk	DANDOMAIN A/S
boksviborg.dk	DANDOMAIN A/S
box-viborg.dk	DANDOMAIN A/S
boxviborg.dk	DANDOMAIN A/S
broendrenovering.dk	Punktum dk A/S (direct)
cphwaste.dk	DANDOMAIN A/S
divello.dk	DANDOMAIN A/S
dk-miljoe.dk	DANDOMAIN A/S
dk-spaan.dk	DANDOMAIN A/S
ehj-energi.dk	Punktum dk A/S (direct)
ehj-miljoe.dk	Punktum dk A/S (direct)
ehj-miljø.dk	Punktum dk A/S (direct)
fksslamson.dk	Punktum dk A/S (direct)
halsnaeskloakservice.dk	Punktum dk A/S (direct)
hornsherredkloakservice.dk	DANDOMAIN A/S
itmp.dk	DANDOMAIN A/S
marielystvognmand.dk	DANDOMAIN A/S
marius-p.dk	DANDOMAIN A/S
marius-pedersen.dk	Punktum dk A/S (direct)
mariuspedersen-genbrug.dk	DANDOMAIN A/S
mariuspedersenaffald.dk	DANDOMAIN A/S
mariuspedersengenbrug.dk	DANDOMAIN A/S
mariuspedersenmiljø.dk	DANDOMAIN A/S
mobilsikkerhedsmakulering.dk	Punktum dk A/S (direct)
rencon.dk	Punktum dk A/S (direct)
rottefri.dk	Punktum dk A/S (direct)
sikkerhedsmakulering.dk	Punktum dk A/S (direct)
simonmoosentrepriser.dk	DANDOMAIN A/S
skibbykloakservice.dk	DANDOMAIN A/S
vesthimmerlands-kloakservice.dk	DANDOMAIN A/S
vestlollands-kloakservice.dk	DANDOMAIN A/S
viborgrenovation.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

394ms

384ms

196ms

AAAA

378ms

TXT

403ms

CAA

396ms

HTTPS

398ms

TLSA

237ms

SOA

179ms

MTA-STS

157ms

DNSSEC

390ms

SRV

468ms

Total

1252ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-11 13:12:41	1247ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 12:45:50 shown	1252ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 18:21:09	925ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 19:27:41	8388ms	2 NS 1 A 1 MX	🔒 Secure