tdf.dk

📜 Historical scan 2026-08-22 21:18:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tdf.dk is a .dk domain served by 2 nameservers (dee.ns.cloudflare.com, marty.ns.cloudflare.com). It was registered on 17 June 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.28.16 is hosted by Cloudflare, Inc. (AS13335). 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 150ms

Nameserver	IP addresses	PTR	ASN / ISP
dee.ns.cloudflare.com	108.162.192.93 172.64.32.93 173.245.58.93 2606:4700:50::adf5:3a5d 2803:f800:50::6ca2:c05d 2a06:98c1:50::ac40:205d	dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com dee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
marty.ns.cloudflare.com	108.162.193.204 172.64.33.204 173.245.59.204 2606:4700:58::adf5:3bcc 2803:f800:50::6ca2:c1cc 2a06:98c1:50::ac40:21cc	marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.ns.cloudflare.com marty.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 120ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.28.16	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.170.41	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 106ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1c10	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:aa29	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 101ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.28.16,172.67.170.41 ech=AEX+DQBB+wAgACDawzT1rFwf+a3g6CLEIRL5Zd8McnOzZdOmwjdQ4oZjaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1c10,2606:4700:3033::ac43:aa29

📝 TXT Records#

1 records 554ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (tdf.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.tdf.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 17:54:16

www	104.21.28.16 172.67.170.41 2606:4700:3033::6815:1c10 2606:4700:3033::ac43:aa29 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tdf.dk: 104.21.28.16 172.67.170.41 2606:4700:3033::6815:1c10 2606:4700:3033::ac43:aa29 (AS13335) www.tdf.dk: 104.21.28.16 172.67.170.41 2606:4700:3033::6815:1c10 2606:4700:3033::ac43:aa29 (AS13335)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

402ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412887859
Primary NS (MNAME)	dee.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 18:32:02

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-06-17
Expires	2027-06-30 (253d)

📋 WHOIS#

⏱️ Lookup Timing#

150ms

120ms

118ms

AAAA

106ms

TXT

554ms

CAA

121ms

HTTPS

101ms

TLSA

160ms

SOA

0ms

MTA-STS

187ms

DNSSEC

402ms

SRV

193ms

Total

3001ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 17:54:16	1166ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-02 12:56:18	6272ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-30 12:39:07	749ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-29 12:37:41	1395ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-19 05:29:11	1161ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-04 13:05:22	958ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-22 21:18:39 shown	3001ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-04 19:47:35	1146ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-06 23:54:24	1071ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-05 18:41:37	1020ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-23 06:59:50	966ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-17 21:51:34	648ms	2 NS 2 A 0 MX	🔒 Secure