koelemadsen.dk

📜 Historical scan 2026-09-19 21:30:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koelemadsen.dk is a .dk domain served by 2 nameservers (jihoon.ns.cloudflare.com, june.ns.cloudflare.com). It was registered on 25 October 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.41.130 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by koelemadsen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 54ms

Nameserver	IP addresses	PTR	ASN / ISP
jihoon.ns.cloudflare.com	108.162.195.233 162.159.44.233 172.64.35.233 2606:4700:58::a29f:2ce9 2803:f800:50::6ca2:c3e9 2a06:98c1:50::ac40:23e9	jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
june.ns.cloudflare.com	108.162.192.176 172.64.32.176 173.245.58.176 2606:4700:50::adf5:3ab0 2803:f800:50::6ca2:c0b0 2a06:98c1:50::ac40:20b0	june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.130	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.165.2	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	koelemadsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca09::28 2a01:111:f403:ca21::c 2a01:111:f403:ca48::e 52.101.103.162 52.101.68.16 52.101.68.36 52.101.91.21	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-matpr05cu00105.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 → 40.104.116.40

🔷 AAAA Records (IPv6)#

2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:a502	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:2982	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 29ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.130,172.67.165.2 ech=AEX+DQBBxAAgACDYvKGy0CDuqKmHA5s8E9c5HDPuaIUEpVMBRTcGd5YXPAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a502,2606:4700:3037::6815:2982

🔌 SRV Records#

1 records 60ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 188ms

TXT Record
MS=ms41365587
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.koelemadsen.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:postmaster@nygreenit.dk; ruf=mailto:postmaster@nygreenit.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 2026-10-20 12:44:32

www	104.21.41.130 172.67.165.2 2606:4700:3033::ac43:a502 2606:4700:3037::6815:2982 (AS13335) (address records, no CNAME)
www vs bare domain	Same network koelemadsen.dk: 104.21.41.130 172.67.165.2 2606:4700:3033::ac43:a502 2606:4700:3037::6815:2982 (AS13335) www.koelemadsen.dk: 104.21.41.130 172.67.165.2 2606:4700:3033::ac43:a502 2606:4700:3037::6815:2982 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-koelemadsen-dk._domainkey.kolemadsen.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-koelemadsen-dk._domainkey.kolemadsen.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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.koelemadsen.dk	gVYiICHgxTvStFA8I7HzcsZ4PmhMYbjqsiV_x4DV6uI
TXT	_acme-challenge.koelemadsen.dk	rI3A23Sqsz-6AV7X0mYIBhcdfGLiX1uZSKMa4faM98Y

🔗 TLSA / DANE#

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

🔐 DNSSEC#

117ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415268697
Primary NS (MNAME)	jihoon.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 13:18:54

Field	Value
Registrar	NYGREEN IT ApS
Registered	2006-10-25
Expires	2026-10-31 (7d)

🔗 Same registrant#

1 domain

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
kolemadsen.dk	FIONIA IT ApS

📋 WHOIS#

⏱️ Lookup Timing#

54ms

38ms

AAAA

49ms

TXT

188ms

CAA

43ms

HTTPS

29ms

TLSA

382ms

SOA

0ms

MTA-STS

57ms

DNSSEC

117ms

SRV

60ms

Total

1102ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-20 12:44:32	665ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-18 03:38:58	2122ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 16:01:13	1591ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 04:52:52	1354ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 03:01:13	1006ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-19 21:30:19 shown	1102ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-14 20:11:07	5142ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-23 19:43:56	4996ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-19 09:37:20	10838ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-18 09:34:04	1514ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-31 06:39:25	2409ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-22 21:04:56	10475ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-16 08:01:48	2130ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-06 03:55:41	2585ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 20:25:45	1018ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-18 05:34:07	1079ms	2 NS 2 A 1 MX	🔒 Secure