tandersen.dk

📜 Historical scan 2026-09-02 21:16:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tandersen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 March 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 95.154.17.41 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by cluster5.eu.messagelabs.com, cluster5a.eu.messagelabs.com. The zone is DNSSEC-signed and validates, 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 37ms

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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
95.154.17.41	1800s	95-154-17-41.norlyscustomer.net	AS39642	Sinal A/S	95.154.0.0/18	🇩🇰 Denmark	Ribe

📧 MX Records#

2 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	cluster5.eu.messagelabs.com	195.245.230.200 195.245.230.201 195.245.230.202 195.245.231.69 195.245.231.72 195.245.231.75 85.158.142.210 85.158.142.214	mail858.messagelabs.com mail859.messagelabs.com mail860.messagelabs.com mail874.messagelabs.com mail876.messagelabs.com mail879.messagelabs.com mail834.messagelabs.com mail838.messagelabs.com	AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC AS396982 Google LLC
20	43200s	cluster5a.eu.messagelabs.com	34.91.159.228	228.159.91.34.bc.googleusercontent.com	AS396982 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	tandersen.dk → 95.154.17.41
🔶 Autoconfig	tandersen.dk → 95.154.17.41

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ 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 06:58:06

www CNAME	tandersen.dk (all on tandersen.dk) → 95.154.17.41 (AS39642)
www vs bare domain	Same network tandersen.dk: 95.154.17.41 (AS39642) www.tandersen.dk: 95.154.17.41 (AS39642)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.tandersen.dk	tandersen.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

89ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081101
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 2026-10-07 03:02:53

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-03-16
Expires	2027-03-31 (160d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

44ms

56ms

AAAA

53ms

TXT

179ms

CAA

38ms

HTTPS

57ms

TLSA

96ms

SOA

0ms

MTA-STS

74ms

DNSSEC

89ms

SRV

79ms

Total

833ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 06:58:06	2036ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-25 18:05:19	1038ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-12 13:15:33	1494ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-02 21:16:20 shown	833ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-26 19:28:39	1116ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-12 18:49:15	1742ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-24 22:49:56	17135ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-18 07:40:20	1790ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-12 12:32:05	5236ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-17 17:06:15	1051ms	2 NS 1 A 2 MX	🔒 Secure