reitanudvikling.dk

📜 Historical scan 2026-09-30 08:53:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

reitanudvikling.dk is a .dk domain served by 2 nameservers (johnny.ns.cloudflare.com, sierra.ns.cloudflare.com). It was registered on 18 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.36.91 is hosted by Cloudflare, Inc. (AS13335). 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 32ms

Nameserver	IP addresses	PTR	ASN / ISP
johnny.ns.cloudflare.com	108.162.195.186 162.159.44.186 172.64.35.186 2606:4700:58::a29f:2cba 2803:f800:50::6ca2:c3ba 2a06:98c1:50::ac40:23ba	johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sierra.ns.cloudflare.com	108.162.194.245 162.159.38.245 172.64.34.245 2606:4700:50::a29f:26f5 2803:f800:50::6ca2:c2f5 2a06:98c1:50::ac40:22f5	sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.36.91	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.191.194	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.36.91
🔶 Autoconfig	172.67.191.194

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:245b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:bfc2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.36.91,172.67.191.194 ech=AEX+DQBB8gAgACBA0yawhpP/qGHPHxmg/hTutpXx7UjOWW13PS65rmNrDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:245b,2606:4700:3034::ac43:bfc2

📝 TXT Records#

1 records 197ms

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

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.reitanudvikling.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:682afc9da1e13@dmarc-dk.centerasecurity.com;

📬 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 2026-10-17 17:01:54

www	104.21.36.91 172.67.191.194 2606:4700:3032::6815:245b 2606:4700:3034::ac43:bfc2 (AS13335) (address records, no CNAME)
www vs bare domain	Same network reitanudvikling.dk: 104.21.36.91 172.67.191.194 2606:4700:3032::6815:245b 2606:4700:3034::ac43:bfc2 (AS13335) www.reitanudvikling.dk: 104.21.36.91 172.67.191.194 2606:4700:3032::6815:245b 2606:4700:3034::ac43:bfc2 (AS13335)
Wildcard	Yes: any name under the zone resolves
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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2416071942
Primary NS (MNAME)	johnny.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 10:28:43

Field	Value
Registrar	A/S SCANNET
Registered	2007-01-18
Expires	2027-01-31 (105d)

🔗 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).

Domain	Registrar
reitangroup.dk	A/S SCANNET
rema-ejendom.dk	A/S SCANNET
remaejendom.dk	A/S SCANNET
remaejendomsinvest.dk	A/S SCANNET
remaetablering.dk	A/S SCANNET

📋 WHOIS#

⏱️ Lookup Timing#

32ms

35ms

52ms

AAAA

41ms

TXT

197ms

CAA

37ms

HTTPS

36ms

TLSA

101ms

SOA

0ms

MTA-STS

55ms

DNSSEC

63ms

SRV

79ms

Total

476ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 17:01:54	657ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-17 16:39:25	2038ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-14 09:54:29	461ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-30 08:53:53 shown	476ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-29 00:49:03	1530ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-25 23:49:13	574ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-07 04:56:56	2083ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-26 09:44:26	897ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-18 07:14:45	2556ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-16 19:59:09	1024ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-13 00:51:07	4446ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-19 05:07:48	974ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-02 12:26:01	829ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-26 05:47:36	1555ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-20 20:39:21	1187ms	2 NS 2 A 0 MX	⚠️ Bogus
2026-06-17 13:10:29	1353ms	2 NS 0 A 0 MX	🔒 Secure