sindum.dk

Records from scan: 2026-09-30 08:53:10 · 1016ms total · last checked 2026-10-16 05:51 (unchanged)

⬇ 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 already in the .dk zone when our tracking began on 16 June 2026. Its website address 176.23.61.194 is hosted by TDC Holding A/S (AS3292) in Denmark. 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 60ms

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 61ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
176.23.61.194	600s	176-23-61-194-cable.dk.customer.tdc.net	AS3292	TDC Holding A/S	176.23.0.0/17	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 49ms

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 55ms

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 261ms

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#

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#

147ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

52ms

Field	Value
Serial	2026092900
Primary NS (MNAME)	hydrogen.ns.hetzner.com
Responsible (RNAME)	hostmaster@sindum.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

60ms

61ms

49ms

AAAA

55ms

TXT

261ms

CAA

47ms

HTTPS

57ms

TLSA

131ms

SOA

52ms

MTA-STS

79ms

DNSSEC

147ms

SRV

84ms

Total

1016ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 08:53:10 shown	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	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