buildingos.dk

📜 Historical scan 2026-09-14 09:16:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

buildingos.dk is a .dk domain served by 2 nameservers (carmelo.ns.cloudflare.com, paloma.ns.cloudflare.com). It first appeared in the .dk zone on 30 June 2026. Its website address 104.21.30.92 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, has no 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
carmelo.ns.cloudflare.com	108.162.195.129 162.159.44.129 172.64.35.129 2606:4700:58::a29f:2c81 2803:f800:50::6ca2:c381 2a06:98c1:50::ac40:2381	carmelo.ns.cloudflare.com carmelo.ns.cloudflare.com carmelo.ns.cloudflare.com carmelo.ns.cloudflare.com carmelo.ns.cloudflare.com carmelo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
paloma.ns.cloudflare.com	108.162.194.168 162.159.38.168 172.64.34.168 2606:4700:50::a29f:26a8 2803:f800:50::6ca2:c2a8 2a06:98c1:50::ac40:22a8	paloma.ns.cloudflare.com paloma.ns.cloudflare.com paloma.ns.cloudflare.com paloma.ns.cloudflare.com paloma.ns.cloudflare.com paloma.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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.30.92	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.179	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:acb3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:1e5c	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=104.21.30.92,172.67.172.179 ech=AEX+DQBB7QAgACD48uV1qYN9txyLNmRb1kxVStHsMiFjjCSxCRfEtYfMXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:acb3,2606:4700:3037::6815:1e5c

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-09 19:07:13

www	104.21.30.92 172.67.172.179 2606:4700:3033::ac43:acb3 2606:4700:3037::6815:1e5c (AS13335) (address records, no CNAME)
www vs bare domain	Same network buildingos.dk: 104.21.30.92 172.67.172.179 2606:4700:3033::ac43:acb3 2606:4700:3037::6815:1e5c (AS13335) www.buildingos.dk: 104.21.30.92 172.67.172.179 2606:4700:3033::ac43:acb3 2606:4700:3037::6815:1e5c (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.buildingos.dk	CmHP_ajmPfGaYjnRPuNN-C5zhwT5s4jx4NHq24xeZGI
TXT	_acme-challenge.buildingos.dk	Fsiwv0LhCdkSI5y4-yoE7kceQZfml51G96BR59FAHYo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2414802255
Primary NS (MNAME)	carmelo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

45ms

44ms

54ms

AAAA

46ms

TXT

172ms

CAA

35ms

HTTPS

36ms

TLSA

59ms

SOA

0ms

MTA-STS

81ms

DNSSEC

126ms

SRV

69ms

Total

706ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 11:44:39	514ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-18 22:46:18	655ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-14 09:16:57 shown	706ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 02:55:17	720ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 11:15:48	1058ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-15 18:48:24	1064ms	2 NS 2 A 1 MX	❓ Unknown
2026-07-08 14:06:13	636ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 20:42:27	2171ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 09:22:18	8813ms	2 NS 1 A 1 MX	🔓 Insecure