tjeck.dk

📜 Historical scan 2026-06-20 09:01:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tjeck.dk is a .dk domain served by 2 nameservers (julian.ns.cloudflare.com, melody.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.17.210 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
julian.ns.cloudflare.com	108.162.195.94 162.159.44.94 172.64.35.94 2606:4700:58::a29f:2c5e 2803:f800:50::6ca2:c35e 2a06:98c1:50::ac40:235e	julian.ns.cloudflare.com julian.ns.cloudflare.com julian.ns.cloudflare.com julian.ns.cloudflare.com julian.ns.cloudflare.com julian.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
melody.ns.cloudflare.com	108.162.194.250 162.159.38.250 172.64.34.250 2606:4700:50::a29f:26fa 2803:f800:50::6ca2:c2fa 2a06:98c1:50::ac40:22fa	melody.ns.cloudflare.com melody.ns.cloudflare.com melody.ns.cloudflare.com melody.ns.cloudflare.com melody.ns.cloudflare.com melody.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.210	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.80	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	172.253.154.27 2a00:1450:4001:c21::1b	yugrqxp-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.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
10	3600s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:400b:c01b::1a	tp-in-f27.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:b250	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:11d2	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 79ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.9,188.114.97.9 ech=AEX+DQBB7QAgACBc7rhY1/z+KUvvg6fnbeaCNDOydik5ZcsYhoZ5+dkIIAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::9,2a06:98c1:3121::9

📝 TXT Records#

2 records 197ms

TXT Record
google-site-verification=1vcvH0s0nwG_PhEjcTfU3HaqZkb6M4-epE_BORcmy6Q
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (tjeck.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 13:12:53

www	104.21.17.210 172.67.178.80 2606:4700:3030::ac43:b250 2606:4700:3036::6815:11d2 (AS13335) (address records, no CNAME)
www vs bare domain	Same network tjeck.dk: 104.21.17.210 172.67.178.80 2606:4700:3030::ac43:b250 2606:4700:3036::6815:11d2 (AS13335) www.tjeck.dk: 104.21.17.210 172.67.178.80 2606:4700:3030::ac43:b250 2606:4700:3036::6815:11d2 (AS13335)
Wildcard	No

🔎 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#

118ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2406281606
Primary NS (MNAME)	julian.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

45ms

34ms

32ms

AAAA

33ms

TXT

197ms

CAA

34ms

HTTPS

79ms

TLSA

80ms

SOA

66ms

MTA-STS

78ms

DNSSEC

118ms

SRV

107ms

Total

734ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:12:53	607ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 00:03:06	752ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-24 13:14:44	700ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-21 04:13:40	9670ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-30 11:08:05	829ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 11:13:22	1557ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-24 20:34:22	3847ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-03 10:16:22	7318ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-26 07:36:06	1259ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-22 17:51:42	1156ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 09:01:27 shown	734ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-18 05:53:24	1097ms	2 NS 2 A 5 MX	⚠️ Bogus