a3.dk

📜 Historical scan 2026-09-04 19:55:22 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a3.dk is a .dk domain served by 2 nameservers (clint.ns.cloudflare.com, dina.ns.cloudflare.com). It was registered on 8 September 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 139.59.205.153 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by maildrop.svarside.dk, test.svarside.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 28ms

Nameserver	IP addresses	PTR	ASN / ISP
clint.ns.cloudflare.com	108.162.193.90 172.64.33.90 173.245.59.90 2606:4700:58::adf5:3b5a 2803:f800:50::6ca2:c15a 2a06:98c1:50::ac40:215a	clint.ns.cloudflare.com clint.ns.cloudflare.com clint.ns.cloudflare.com clint.ns.cloudflare.com clint.ns.cloudflare.com clint.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dina.ns.cloudflare.com	108.162.192.107 172.64.32.107 173.245.58.107 2606:4700:50::adf5:3a6b 2803:f800:50::6ca2:c06b 2a06:98c1:50::ac40:206b	dina.ns.cloudflare.com dina.ns.cloudflare.com dina.ns.cloudflare.com dina.ns.cloudflare.com dina.ns.cloudflare.com dina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
139.59.205.153	300s	—	AS14061	DigitalOcean, LLC	139.59.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

2 records 27ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	maildrop.svarside.dk	138.68.75.199	maildrop.svarside.dk	AS14061 DigitalOcean, LLC
999	300s	test.svarside.dk	46.101.139.74	test.svarside.dk	AS14061 DigitalOcean, LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 136ms

TXT Record
v=spf1 mx a ptr ip4:46.101.139.74 ip4:139.59.205.153 ip4:138.68.75.199 ip4:46.101.202.41 ip4:91.194.36.0/24 ip4:165.227.169.48 ?all

✉️ SPF#

Policy	Record (a3.dk)
?all (neutral)	v=spf1 mx a ptr ip4:46.101.139.74 ip4:139.59.205.153 ip4:138.68.75.199 ip4:46.101.202.41 ip4:91.194.36.0/24 ip4:165.227.169.48 ?all

📨 DMARC#

Policy	Record (_dmarc.a3.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 23:38:15

www CNAME	a3.dk (all on a3.dk) → 139.59.205.153 (AS14061)
www vs bare domain	Same network a3.dk: 139.59.205.153 (AS14061) www.a3.dk: 139.59.205.153 (AS14061)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ?all

warn "ptr" is slow, unreliable and discouraged (RFC 7208 §5.5)
warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.a3.dk	HSkbHjkQzWscYeuJY8BA82I5ykXwgLis4MNdhYIoac8
TXT	_acme-challenge.a3.dk	qT4sIjYBuCYtmrnV67mbGzEBCrhfBE_G-RqaMc7p9Xc

🔗 TLSA / DANE#

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

🔐 DNSSEC#

103ms

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	2413863774
Primary NS (MNAME)	clint.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 23:42:18

Field	Value
Registrar	Simply.com A/S
Registered	2011-09-08
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

28ms

34ms

27ms

AAAA

30ms

TXT

136ms

CAA

25ms

HTTPS

24ms

TLSA

136ms

SOA

0ms

MTA-STS

44ms

DNSSEC

103ms

SRV

47ms

Total

1401ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 23:38:15	1983ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-02 19:45:14	1619ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-25 18:41:42	1148ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-04 19:55:22 shown	1401ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-01 11:12:32	1339ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-25 21:49:57	1327ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-10 13:55:09	2796ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-20 01:11:28	1483ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 13:15:24	725ms	2 NS 1 A 2 MX	❓ Unknown