dblue.dk

📜 Historical scan 2026-06-17 01:15:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dblue.dk is a .dk domain served by 2 nameservers (osmar.ns.cloudflare.com, saanvi.ns.cloudflare.com). It was registered on 13 February 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 142.132.203.237 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by dblue.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#

2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
osmar.ns.cloudflare.com	—	—	—
saanvi.ns.cloudflare.com	—	—	—

🌍 A Records#

1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
142.132.203.237	—	cp08.nordicway.dk	AS24940	Hetzner Online GmbH	142.132.128.0/17	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	dblue.dk	142.132.203.237	cp08.nordicway.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 133ms

TXT Record
v=spf1 +a +mx +ip4:142.132.203.237 ~all

✉️ SPF#

Policy	Record (dblue.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:142.132.203.237 ~all

📨 DMARC#

Policy	Record (_dmarc.dblue.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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 07:47:41

www CNAME	dblue.dk (all on dblue.dk) → 142.132.203.237 (AS24940)
www vs bare domain	Same network dblue.dk: 142.132.203.237 (AS24940) www.dblue.dk: 142.132.203.237 (AS24940)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

168ms

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

🏷️ SOA#

54ms

Field	Value
Serial	2406573658
Primary NS (MNAME)	osmar.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 07:56:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-02-13
Expires	2035-03-31 (3085d)

📋 WHOIS#

⏱️ Lookup Timing#

54ms

55ms

58ms

AAAA

87ms

TXT

133ms

CAA

56ms

HTTPS

84ms

TLSA

57ms

SOA

54ms

MTA-STS

64ms

DNSSEC

168ms

SRV

0ms

Total

486ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 07:45:09	518ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 07:19:13	792ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 01:49:48	518ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 02:42:20	697ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 02:14:55	1301ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-05 20:22:06	1607ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 22:44:44	1052ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-04 05:42:36	1508ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 14:21:43	2855ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 00:34:19	925ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 16:23:34	2614ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:15:28 shown	486ms	2 NS 1 A 1 MX	🔒 Secure