a5.dk

📜 Historical scan 2026-07-01 23:56:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a5.dk is a .dk domain served by 2 nameservers (fay.ns.cloudflare.com, max.ns.cloudflare.com). It was registered on 18 February 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.72.153 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 47ms

Nameserver	IP addresses	PTR	ASN / ISP
fay.ns.cloudflare.com	108.162.192.115 172.64.32.115 173.245.58.115 2606:4700:50::adf5:3a73 2803:f800:50::6ca2:c073 2a06:98c1:50::ac40:2073	fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com fay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
max.ns.cloudflare.com	108.162.193.132 172.64.33.132 173.245.59.132 2606:4700:58::adf5:3b84 2803:f800:50::6ca2:c184 2a06:98c1:50::ac40:2184	max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.72.153	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.186.70	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	2a00:1450:4010:c1e::1b 64.233.164.26	lb-in-f27.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx3.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:ba46	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:4899	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.21.72.153,172.67.186.70 ech=AEX+DQBBFgAgACCqLV43FeUeqOjID2Vs0XGeDKt8eTBcGZ/6g0ITmkfYewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:ba46,2606:4700:3036::6815:4899

📝 TXT Records#

1 records 198ms

TXT Record
google-site-verification=10MSMXMDYLT4R5ic_JQloo9C67JVBiXDB-_CxA9m0u0

✉️ 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 2026-10-11 07:12:49

www	104.21.72.153 172.67.186.70 2606:4700:3030::6815:4899 2606:4700:3030::ac43:ba46 (AS13335) (address records, no CNAME)
www vs bare domain	Same network a5.dk: 104.21.72.153 172.67.186.70 2606:4700:3030::6815:4899 2606:4700:3030::ac43:ba46 (AS13335) www.a5.dk: 104.21.72.153 172.67.186.70 2606:4700:3030::6815:4899 2606:4700:3030::ac43:ba46 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

146ms

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

🏷️ SOA#

61ms

Field	Value
Serial	2406946981
Primary NS (MNAME)	fay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-11 07:40:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-02-18
Expires	2030-02-28 (1230d)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

55ms

54ms

AAAA

26ms

TXT

198ms

CAA

52ms

HTTPS

50ms

TLSA

88ms

SOA

61ms

MTA-STS

127ms

DNSSEC

146ms

SRV

78ms

Total

1326ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 07:12:49	812ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-26 17:51:59	743ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-25 12:42:42	1156ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-24 12:35:40	1007ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-13 09:03:57	3698ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-26 08:22:00	1376ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-01 23:56:10 shown	1326ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-16 12:44:03	848ms	2 NS 2 A 5 MX	🔓 Insecure