letbio.dk

📜 Historical scan 2026-06-21 09:33:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

letbio.dk is a .dk domain served by 3 nameservers (helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com). It was registered on 18 June 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.31.252.23 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. The zone is not DNSSEC-signed, has no 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#

3 records 81ms

Nameserver	IP addresses	PTR	ASN / ISP
helium.ns.hetzner.de	193.47.99.5 2001:67c:192c::add:5	helium.ns.hetzner.de helium.ns.hetzner.de	AS12337 noris network AG AS12337 noris network AG
hydrogen.ns.hetzner.com	213.133.100.98 2a01:4f8:0:1::add:1098	hydrogen.ns.hetzner.com hydrogen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
oxygen.ns.hetzner.com	2a01:4f8:0:1::add:2992 88.198.229.192	oxygen.ns.hetzner.com oxygen.ns.hetzner.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.31.252.23	600s	smtp.mailpro.dk	AS204151	EWII Bredbaand A/S	78.31.252.0/22	🇩🇰 Denmark	Ans

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	78.31.252.23
🔶 Autoconfig	78.31.252.23

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 221ms

TXT Record
google-site-verification=0KitRaMQ6VcSmIMZxYx6coCy8puhG2F5o-dXHkk1wuM

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 03:13:00

www	78.31.252.23 (AS204151) (address records, no CNAME)
www vs bare domain	Same network letbio.dk: 78.31.252.23 (AS204151) www.letbio.dk: 78.31.252.23 (AS204151)
Wildcard	Yes: any name under the zone resolves

🔗 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#

81ms

Field	Value
Serial	2026042203
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	dns@hetzner.com
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-16 18:16:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-06-18
Expires	2028-06-17 (608d)

📋 WHOIS#

⏱️ Lookup Timing#

81ms

59ms

93ms

AAAA

83ms

TXT

221ms

CAA

105ms

HTTPS

74ms

TLSA

68ms

SOA

81ms

MTA-STS

78ms

DNSSEC

103ms

SRV

189ms

Total

438ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:13:00	680ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-28 03:49:12	2051ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-27 03:26:16	782ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-28 10:25:09	9560ms	3 NS 1 A 0 MX	🔓 Insecure
2026-07-06 04:21:34	2014ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-25 02:59:26	701ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-24 16:49:51	681ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-21 09:33:20 shown	438ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-17 13:22:25	1633ms	3 NS 1 A 0 MX	🔓 Insecure