sindum.dk

📜 Historical scan 2026-09-22 18:48:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sindum.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 6 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 95.111.209.178 is hosted by UpCloud Ltd (AS202053) in Finland. Mail is handled by postfix.netlogon.dk, mail.sindum.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#

3 records 51ms

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 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
95.111.209.178	600s	95-111-209-178.se-sto1.upcloud.host	AS202053	UpCloud Ltd	95.111.208.0/22	🇫🇮 Finland	—

📧 MX Records#

2 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	postfix.netlogon.dk	95.111.209.178	95-111-209-178.se-sto1.upcloud.host	AS202053 UpCloud Ltd
20	300s	mail.sindum.dk	159.65.126.64	—	AS14061 DigitalOcean, LLC

🔷 AAAA Records (IPv6)#

1 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
fe80::14c9:49ff:febf:20ee	600s	—	—	—	—	—	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 265ms

TXT Record
brevo-code:c7d498ecfd61327f2d5f2d34d21ed8e3
protonmail-verification=fb56faa27d20b37636d23518d281a7baff6eba1e

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.sindum.dk)
no policy tag	v=DMARC1

📬 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 2026-10-09 13:31:55

www	NXDOMAIN
www vs bare domain	www does not resolve sindum.dk: 176.23.61.194 fe80::14c9:49ff:febf:20ee (AS3292) www.sindum.dk: no address (all like this)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

135ms

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	2026092103
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	hostmaster@sindum.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 18:06:35

Field	Value
Registrar	DANDOMAIN A/S
Registered	1999-10-06
Expires	2026-12-31 (75d)

🔗 Same registrant#

6 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
adgangsloven.dk	DANDOMAIN A/S
lemmus.dk	DANDOMAIN A/S
spejderlex.dk	DANDOMAIN A/S
trdz.dk	DANDOMAIN A/S
turklar.dk	DANDOMAIN A/S
udpaturaldrigsur.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

51ms

48ms

53ms

AAAA

52ms

TXT

265ms

CAA

51ms

HTTPS

53ms

TLSA

215ms

SOA

0ms

MTA-STS

82ms

DNSSEC

135ms

SRV

91ms

Total

960ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 08:53:10	1016ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-29 08:39:35	1104ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-22 18:48:48 shown	960ms	3 NS 1 A 2 MX	🔓 Insecure
2026-09-16 15:26:46	1432ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-04 11:08:05	1030ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-26 15:03:16	1119ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-29 04:11:06	912ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 13:47:49	2315ms	3 NS 1 A 1 MX	🔓 Insecure