mkrogstrup.dk

📜 Historical scan 2026-10-15 16:47:46 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mkrogstrup.dk is a .dk domain served by 2 nameservers (aliza.ns.cloudflare.com, kanye.ns.cloudflare.com). It was registered on 22 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.12.9 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mkrogstrup-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 79ms

Nameserver	IP addresses	PTR	ASN / ISP
aliza.ns.cloudflare.com	108.162.194.55 162.159.38.55 172.64.34.55 2606:4700:50::a29f:2637 2803:f800:50::6ca2:c237 2a06:98c1:50::ac40:2237	aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com aliza.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kanye.ns.cloudflare.com	108.162.193.189 172.64.33.189 173.245.59.189 2606:4700:58::adf5:3bbd 2803:f800:50::6ca2:c1bd 2a06:98c1:50::ac40:21bd	kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.ns.cloudflare.com kanye.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 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.12.9	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.131.217	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 88ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mkrogstrup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::b 2a01:111:f403:ca21::c 2a01:111:f403:ca3c::6 52.101.103.137 52.101.68.39 52.101.68.8 52.101.73.120	mail-db4pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00300.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

2 records 73ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:83d9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:c09	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 77ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.12.9,172.67.131.217 ech=AEX+DQBBcQAgACApRkEgPwRvlQHDn91nGoAU4JzBFCnqxAEGLxCeXZhqMAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:83d9,2606:4700:3037::6815:c09

📝 TXT Records#

3 records 334ms

TXT Record
apple-domain=5fTkpdTAuCILCTbE
MS=ms85867296
v=spf1 a:mailcow.mkrogstrup.dk include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (mkrogstrup.dk)
~all (soft fail)	v=spf1 a:mailcow.mkrogstrup.dk include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.mkrogstrup.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=reject; adkim=s; aspf=s; rua=mailto:cc364b0ece33444e952eb82f5e935b27@dmarc-reports.cloudflare.net;

📬 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 2026-10-16 21:29:05

www	104.21.12.9 172.67.131.217 2606:4700:3034::ac43:83d9 2606:4700:3037::6815:c09 (AS13335) (address records, no CNAME)
www vs bare domain	Same network mkrogstrup.dk: 104.21.12.9 172.67.131.217 2606:4700:3034::ac43:83d9 2606:4700:3037::6815:c09 (AS13335) www.mkrogstrup.dk: 104.21.12.9 172.67.131.217 2606:4700:3034::ac43:83d9 2606:4700:3037::6815:c09 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

212ms

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

🏷️ SOA#

80ms

Field	Value
Serial	2417548986
Primary NS (MNAME)	aliza.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 11:25:54

Field	Value
Registrar	Domænehajen ApS
Registered	2021-08-22
Expires	2027-08-31 (316d)

📋 WHOIS#

⏱️ Lookup Timing#

79ms

91ms

88ms

AAAA

73ms

TXT

334ms

CAA

105ms

HTTPS

77ms

TLSA

797ms

SOA

80ms

MTA-STS

155ms

DNSSEC

212ms

SRV

154ms

Total

2734ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 21:29:05	5976ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-15 16:47:46 shown	2734ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-14 15:38:22	2353ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-13 15:12:05	1805ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-12 10:58:04	2670ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-11 10:05:06	1125ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-10 08:42:26	1167ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 08:31:23	1583ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-08 08:29:53	1146ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-07 08:25:44	2378ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-06 00:46:36	1300ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-05 00:42:47	1077ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-04 00:38:32	2262ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-03 00:34:10	1529ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 00:30:24	1623ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-01 00:16:23	1066ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 00:11:40	962ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-28 23:58:21	882ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 23:41:45	1807ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-26 23:37:42	1053ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 23:06:19	1601ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 22:55:11	1381ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 22:38:05	1488ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-17 02:49:59	1284ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 17:43:43	1268ms	2 NS 2 A 1 MX	🔒 Secure