sinnet.dk

Records from scan: 2026-10-09 10:12:15 · 577ms total · last checked 2026-10-20 02:56 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sinnet.dk is a .dk domain served by 2 nameservers (etta.ns.cloudflare.com, yew.ns.cloudflare.com). It was registered on 25 May 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.100.101.136 is hosted by DKTV A/S (AS15516) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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#

2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
etta.ns.cloudflare.com	108.162.192.156 172.64.32.156 173.245.58.156 2606:4700:50::adf5:3a9c 2803:f800:50::6ca2:c09c 2a06:98c1:50::ac40:209c	etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com etta.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
yew.ns.cloudflare.com	108.162.195.80 162.159.44.80 172.64.35.80 2606:4700:58::a29f:2c50 2803:f800:50::6ca2:c350 2a06:98c1:50::ac40:2350	yew.ns.cloudflare.com yew.ns.cloudflare.com yew.ns.cloudflare.com yew.ns.cloudflare.com yew.ns.cloudflare.com yew.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.100.101.136	300s	91.100.101.136.generic-hostname.arrownet.dk	AS15516	DKTV A/S	91.100.0.0/15	🇩🇰 Denmark	Brøndby

📧 MX Records#

7 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	2a00:1450:4010:c08::1b 2a00:1450:4010:c08::1b 74.125.131.26	lg-in-f27.1e100.net lg-in-x1b.1e100.net lu-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 179ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (sinnet.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.sinnet.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:0e47b350b4184033becf7efd5d0da2d4@dmarc-reports.cloudflare.net

📬 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 10:12:15

www CNAME	sinnet.dk (all on sinnet.dk) → 91.100.101.136 (AS15516)
www vs bare domain	Same network sinnet.dk: 91.100.101.136 (AS15516) www.sinnet.dk: 91.100.101.136 (AS15516)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
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
google	—	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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

55ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2416557189
Primary NS (MNAME)	etta.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 02:20:28

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-05-25
Expires	2027-06-30 (252d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

44ms

42ms

AAAA

32ms

TXT

179ms

CAA

40ms

HTTPS

44ms

TLSA

106ms

SOA

31ms

MTA-STS

55ms

DNSSEC

55ms

SRV

75ms

Total

577ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:12:15 shown	577ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-05 01:52:29	2814ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-03 01:18:41	1086ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-01 01:07:18	685ms	2 NS 1 A 7 MX	🔒 Secure
2026-10-01 00:30:07	2622ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-30 00:19:27	728ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-20 09:16:11	1813ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-18 01:16:28	1207ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-12 07:50:21	1378ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-16 12:01:07	2413ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-06 06:16:05	2542ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-24 05:04:09	4558ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-23 04:33:49	2610ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-20 00:24:11	2498ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-18 05:11:40	10156ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-12 11:55:22	9502ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-02 23:10:58	13949ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-22 14:02:00	1206ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-20 17:50:33	669ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-18 06:17:37	5444ms	2 NS 1 A 7 MX	🔒 Secure