tessel.dk

📜 Historical scan 2026-06-19 16:00:16 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tessel.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 May 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed but currently fails validation, has no DMARC policy and has no IPv6 address. 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 57ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records#

5 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	142.251.168.27 2a00:1450:4010:c09::1b 2a00:1450:4010:c09::1b	wh-in-f27.1e100.net lk-in-x1b.1e100.net lk-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	172.253.158.27 2404:6800:4000:1025::1a	so-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	142.251.127.26 2404:6800:4003:c26::1b	lcfrai-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:400b:c01b::1b	so-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.27 2607:f8b0:400e:c1e::1a	yunrtab-in-f27.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	195.47.247.18
🔶 Autoconfig	195.47.247.18

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 231ms

TXT Record
google-site-verification=_67SzXFNrNvKyZdNq7dAEXktrtDtvnIuZYdnhoxnb8w

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-12 20:10:39

www	195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domain	Same network tessel.dk: 195.47.247.18 (AS51468) www.tessel.dk: 195.47.247.18 (AS51468)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

98ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'tessel.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

55ms

Field	Value
Serial	2026061101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-14 05:33:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-05-12
Expires	2027-05-31 (223d)

📋 WHOIS#

⏱️ Lookup Timing#

57ms

56ms

AAAA

56ms

TXT

231ms

CAA

134ms

HTTPS

55ms

TLSA

102ms

SOA

55ms

MTA-STS

55ms

DNSSEC

98ms

SRV

88ms

Total

826ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 20:10:39	860ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-30 13:23:08	755ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-27 23:32:23	724ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-16 08:16:03	894ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-09 06:54:56	769ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-12 00:05:38	1202ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-18 05:30:22	9384ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-16 22:16:44	1245ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-07 07:09:55	6149ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-27 14:07:29	758ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-19 16:00:16 shown	826ms	2 NS 1 A 5 MX	⚠️ Bogus
2026-06-17 13:30:18	802ms	2 NS 1 A 5 MX	🔒 Secure