a-3.dk

📜 Historical scan 2026-10-14 13:21:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a-3.dk is a .dk domain served by 2 nameservers (clint.ns.cloudflare.com, dina.ns.cloudflare.com). It was registered on 1 March 2001 (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 35ms

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 45ms

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 38ms

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 175ms

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 (a-3.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.a-3.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 2026-10-15 14:51:33

www CNAME	a-3.dk (all on a-3.dk) → 139.59.205.153 (AS14061)
www vs bare domain	Same network a-3.dk: 139.59.205.153 (AS14061) www.a-3.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.a-3.dk	E4mzLpJsG3DMxyMGYA4YBb5NANSU07u8qwX-i2bfrnQ
TXT	_acme-challenge.a-3.dk	zXSII1cfwaPcP96DBA018aHVh1EYGlVaodP43wFmbqE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

113ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2417428010
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 2026-10-10 06:22:44

Field	Value
Registrar	Simply.com A/S
Registered	2001-03-01
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

45ms

38ms

AAAA

37ms

TXT

175ms

CAA

45ms

HTTPS

34ms

TLSA

109ms

SOA

40ms

MTA-STS

63ms

DNSSEC

113ms

SRV

61ms

Total

1908ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 14:51:33	1917ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-14 13:21:10 shown	1908ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-13 11:37:08	1354ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-10 05:50:53	641ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-08 02:39:17	563ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-04 02:26:58	868ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-28 06:00:03	1076ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-16 14:16:34	1072ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-26 14:46:39	1057ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-15 18:34:33	1130ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-12 11:17:34	3834ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-25 19:59:53	2069ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 12:44:24	631ms	2 NS 1 A 2 MX	🔓 Insecure