dobbeltd-byg.dk

📜 Historical scan 2026-06-18 22:26:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dobbeltd-byg.dk is a .dk domain served by 2 nameservers (ns1.nsec.dk, ns2.nsec.dk). It was registered on 17 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.90.95.175 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by dobbeltd-byg.dk. The zone is not DNSSEC-signed, publishes a 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 91ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nsec.dk	2a01:4f8:c0c:8726::1	—	AS24940 Hetzner Online GmbH
ns2.nsec.dk	159.69.124.71 2a01:4f8:c010:2c16::1	ns2.nsec.dk —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 75ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.90.95.175	14400s	cp01.nsec.dk	AS24940	Hetzner Online GmbH	157.90.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	14400s	dobbeltd-byg.dk	157.90.95.175 2a01:4f8:252:4110::2	cp01.nsec.dk cp01.nsec.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	157.90.95.175
🔶 Autoconfig	157.90.95.175

🔷 AAAA Records (IPv6)#

1 records 88ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:252:4110::2	14400s	cp01.nsec.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 2152ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

1 records 315ms

TXT Record
v=spf1 ip4:157.90.95.175 ip4:78.47.201.168 +a +mx +ip4:138.201.92.22 ~all

✉️ SPF#

Policy	Record (dobbeltd-byg.dk)
~all (soft fail)	v=spf1 ip4:157.90.95.175 ip4:78.47.201.168 +a +mx +ip4:138.201.92.22 ~all

📨 DMARC#

Policy	Record (_dmarc.dobbeltd-byg.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 07:38:35

www CNAME	dobbeltd-byg.dk (all on dobbeltd-byg.dk) → 157.90.95.175 2a01:4f8:252:4110::2 (AS24940)
www vs bare domain	Same network dobbeltd-byg.dk: 157.90.95.175 2a01:4f8:252:4110::2 (AS24940) www.dobbeltd-byg.dk: 157.90.95.175 2a01:4f8:252:4110::2 (AS24940)
Wildcard	No

✍️ 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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.dobbeltd-byg.dk	H3CaSZe4ofKZtfs188D913qt6hoohRvhbtp0jItjNhU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

181ms

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	2026061800
Primary NS (MNAME)	ns1.nsec.dk
Responsible (RNAME)	michael@nsec.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-10 22:39:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-04-17
Expires	2027-04-30 (192d)

📋 WHOIS#

⏱️ Lookup Timing#

91ms

75ms

83ms

AAAA

88ms

TXT

315ms

CAA

81ms

HTTPS

85ms

TLSA

4049ms

SOA

0ms

MTA-STS

116ms

DNSSEC

181ms

SRV

2152ms

Total

6879ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 07:38:35	844ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-02 23:58:33	788ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 03:17:38	835ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-26 20:06:54	1100ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-19 02:56:06	8788ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 16:50:33	1189ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 13:23:42	1179ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 00:46:25	2598ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-18 22:26:34 shown	6879ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 04:21:02	1403ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 04:05:11	652ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 04:04:27	13798ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-17 04:00:27	611ms	2 NS 1 A 1 MX	🔓 Insecure