tsl.dk

📜 Historical scan 2026-08-31 11:06:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tsl.dk is a .dk domain served by 2 nameservers (damon.ns.cloudflare.com, tia.ns.cloudflare.com). It was registered on 18 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.18.208 is hosted by Cloudflare, Inc. (AS13335). 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 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 24ms

Nameserver	IP addresses	PTR	ASN / ISP
damon.ns.cloudflare.com	108.162.193.96 172.64.33.96 173.245.59.96 2606:4700:58::adf5:3b60 2803:f800:50::6ca2:c160 2a06:98c1:50::ac40:2160	damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tia.ns.cloudflare.com	108.162.192.229 172.64.32.229 173.245.58.229 2606:4700:50::adf5:3ae5 2803:f800:50::6ca2:c0e5 2a06:98c1:50::ac40:20e5	tia.ns.cloudflare.com tia.ns.cloudflare.com tia.ns.cloudflare.com tia.ns.cloudflare.com tia.ns.cloudflare.com tia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.18.208	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.183.90	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

7 records 24ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	ASPMX.L.GOOGLE.COM	142.250.147.27 2a00:1450:4025:c01::1a	rd-in-f27.1e100.net rd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	ALT1.ASPMX.L.GOOGLE.COM	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	ALT2.ASPMX.L.GOOGLE.COM	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	ASPMX2.GOOGLEMAIL.COM	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	ASPMX3.GOOGLEMAIL.COM	173.194.41.26 173.194.41.26 2404:6800:4013:813::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	ASPMX4.GOOGLEMAIL.COM	172.253.158.27 2404:6800:4001:c01::1a	so-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	ASPMX5.GOOGLEMAIL.COM	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:12d0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:b75a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 32ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.18.208,172.67.183.90 ech=AEX+DQBB2wAgACAEf45jgCuGQnz+9J5W2Bip0s4WUpjARwANfZzDySGrSgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:12d0,2606:4700:3036::ac43:b75a

📝 TXT Records#

2 records 153ms

TXT Record
google-site-verification=pPcauThUUT58nVAbOJNdhQjcMq16QE02ulo3ob9-KdA
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.tsl.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:2050047b83b84c7ca0d14f7c94d27426@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#

latest probe, not this scan · checked 2026-10-09 10:39:46

www CNAME	ghs.googlehosted.com (all on googlehosted.com) → 216.58.201.243 2a00:1450:400f:810::2013 (AS15169)
www vs bare domain	Different networks tsl.dk: 104.21.18.208 172.67.183.90 2606:4700:3032::6815:12d0 2606:4700:3036::ac43:b75a (AS13335) www.tsl.dk: 216.58.201.243 2a00:1450:400f:810::2013 (AS15169) (all like this)
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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.tsl.dk	28PY5-72B8i0RT7U8UMC75vvV-IgGAseN7Pbmginm2w
TXT	_acme-challenge.tsl.dk	ewwMbuy9Gqm-hjd8GB22iuXE-h0n-LzIPkiVT2NhO84

🔗 TLSA / DANE#

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

🔐 DNSSEC#

100ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413539842
Primary NS (MNAME)	damon.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

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

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-10-18
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

24ms

29ms

24ms

AAAA

38ms

TXT

153ms

CAA

33ms

HTTPS

32ms

TLSA

139ms

SOA

0ms

MTA-STS

45ms

DNSSEC

100ms

SRV

58ms

Total

802ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:39:46	592ms	2 NS 2 A 7 MX	🔒 Secure
2026-10-08 10:55:10	1058ms	2 NS 2 A 7 MX	🔒 Secure
2026-09-26 04:15:46	2699ms	2 NS 2 A 7 MX	🔒 Secure
2026-09-14 23:34:59	3013ms	2 NS 2 A 7 MX	🔒 Secure
2026-09-07 22:07:11	1374ms	2 NS 2 A 7 MX	🔒 Secure
2026-09-03 23:10:42	802ms	2 NS 2 A 7 MX	🔒 Secure
2026-08-31 11:06:03 shown	802ms	2 NS 2 A 7 MX	🔒 Secure
2026-08-21 05:47:59	4125ms	2 NS 2 A 7 MX	🔒 Secure
2026-07-29 16:54:00	1718ms	2 NS 2 A 7 MX	🔒 Secure
2026-07-08 19:16:05	4116ms	2 NS 2 A 7 MX	🔒 Secure
2026-07-04 23:05:58	2863ms	2 NS 2 A 7 MX	🔒 Secure
2026-06-21 02:46:47	713ms	2 NS 2 A 7 MX	🔒 Secure
2026-06-20 11:27:20	9123ms	2 NS 2 A 7 MX	🔒 Secure
2026-06-18 06:54:53	2905ms	2 NS 2 A 7 MX	🔒 Secure