dnsbl.dk

📜 Historical scan 2026-06-17 04:19:59 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dnsbl.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 28 February 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 135.181.213.87 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by dnsbl.dk. The zone is DNSSEC-signed and validates, 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#

4 records 1535ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	—	—	—
ns2.simply.com	—	—	—
ns3.simply.com	—	—	—
ns4.simply.com	—	—	—

🌍 A Records#

1 records 368ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
135.181.213.87	—	jtw.dk	AS24940	Hetzner Online GmbH	135.181.0.0/16	🇫🇮 Finland	Helsinki

📧 MX Records#

1 records 1509ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	dnsbl.dk	135.181.213.87	jtw.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 1237ms

TXT Record
google-site-verification=CAmbnjY68h6UFu9ddd6PSjslH8BPweXeUlIINAGGzG0

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.dnsbl.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@jtw.dk; ruf=mailto:dmarc@jtw.dk; pct=100

📬 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 2026-10-13 04:44:55

www CNAME	dnsbl.dk (all on dnsbl.dk) → 135.181.213.87 (AS24940)
www vs bare domain	Same network dnsbl.dk: 135.181.213.87 (AS24940) www.dnsbl.dk: 135.181.213.87 (AS24940)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

1184ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

398ms

Field	Value
Serial	2026060801
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-08 17:38:14

Field	Value
Registrar	Simply.com A/S
Registered	2014-02-28
Expires	2027-02-28 (125d)

📋 WHOIS#

⏱️ Lookup Timing#

1535ms

368ms

1509ms

AAAA

361ms

TXT

1237ms

CAA

307ms

HTTPS

466ms

TLSA

1537ms

SOA

398ms

MTA-STS

892ms

DNSSEC

1184ms

SRV

0ms

Total

15919ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 04:44:55	797ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-07 10:38:39	739ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-04 08:24:01	665ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 03:22:06	635ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-10 05:32:23	758ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-02 00:45:09	685ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-08 15:18:58	796ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-08 15:48:36	1621ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-27 21:31:19	800ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 04:19:59 shown	15919ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 04:12:46	1539ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 04:02:52	517ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 04:00:48	604ms	4 NS 1 A 1 MX	🔒 Secure