altbolig.dk

📜 Historical scan 2026-06-16 12:53:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

altbolig.dk is a .dk domain served by 2 nameservers (ezra.ns.cloudflare.com, jewel.ns.cloudflare.com). It was registered on 14 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.24.17 is hosted by Cloudflare, Inc. (AS13335). 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 71ms

Nameserver	IP addresses	PTR	ASN / ISP
ezra.ns.cloudflare.com	—	—	—
jewel.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 70ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.17	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.216.75	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 68ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:1811	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d84b	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 75ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.17,172.67.216.75 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1811,2606:4700:3035::ac43:d84b

📝 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 2026-10-08 16:49:31

www	104.21.24.17 172.67.216.75 2606:4700:3036::6815:1811 2606:4700:3037::ac43:d84b (AS13335) (address records, no CNAME)
www vs bare domain	Same network altbolig.dk: 104.21.24.17 172.67.216.75 2606:4700:3036::6815:1811 2606:4700:3037::ac43:d84b (AS13335) www.altbolig.dk: 104.21.24.17 172.67.216.75 2606:4700:3036::6815:1811 2606:4700:3037::ac43:d84b (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

166ms

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

🏷️ SOA#

64ms

Field	Value
Serial	2406237429
Primary NS (MNAME)	ezra.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 12:51:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-06-14
Expires	2027-06-30 (254d)

📋 WHOIS#

⏱️ Lookup Timing#

71ms

70ms

AAAA

68ms

TXT

180ms

CAA

71ms

HTTPS

75ms

TLSA

122ms

SOA

64ms

MTA-STS

99ms

DNSSEC

166ms

SRV

0ms

Total

1066ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 15:37:53	678ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 13:39:37	10034ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-06 18:43:27	1864ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 10:12:36	726ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-09 15:25:59	970ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-10 19:14:24	828ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-16 12:53:39 shown	1066ms	2 NS 2 A 0 MX	🔓 Insecure