tetzschner.dk

📜 Historical scan 2026-06-18 00:26:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tetzschner.dk is a .dk domain served by 3 nameservers (ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net). It was registered on 13 August 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by server6123.serverpark.dk. The zone is DNSSEC-signed and validates, publishes a 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#

3 records 347ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.dns-123.net	35.198.132.83	83.132.198.35.bc.googleusercontent.com	AS396982 Google LLC
ns5.dns-123.net	35.187.184.173	173.184.187.35.bc.googleusercontent.com	AS396982 Google LLC
ns6.dns-123.net	35.228.54.1	1.54.228.35.bc.googleusercontent.com	AS396982 Google LLC

🌍 A Records#

1 records 258ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.208.28.133	—	server6123.serverpark.dk	AS44869	—	—	—	—

📧 MX Records#

1 records 258ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	server6123.serverpark.dk	80.208.28.133	server6123.serverpark.dk	AS44869 FIBIA P/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	80.208.28.133
🔶 Autoconfig	80.208.28.133

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 460ms

TXT Record
v=spf1 a mx include:_spf.serverpark.dk ~all

✉️ SPF#

Policy	Record (tetzschner.dk)
~all (soft fail)	v=spf1 a mx include:_spf.serverpark.dk ~all

📨 DMARC#

Policy	Record (_dmarc.tetzschner.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 2026-10-07 20:05:48

www	80.208.28.133 (AS44869) (address records, no CNAME)
www vs bare domain	Same network tetzschner.dk: 80.208.28.133 (AS44869) www.tetzschner.dk: 80.208.28.133 (AS44869)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

417ms

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

🏷️ SOA#

293ms

Field	Value
Serial	2009060550
Primary NS (MNAME)	ns4.dns-123.net
Responsible (RNAME)	admin@dns-123.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-07 03:54:32

Field	Value
Registrar	INTERNET 123 ApS
Registered	2008-08-13
Expires	2027-08-31 (318d)

📋 WHOIS#

⏱️ Lookup Timing#

347ms

258ms

AAAA

429ms

TXT

460ms

CAA

308ms

HTTPS

315ms

TLSA

76ms

SOA

293ms

MTA-STS

348ms

DNSSEC

417ms

SRV

456ms

Total

1026ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 18:30:54	836ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-27 21:34:50	776ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:59:03	1481ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-24 09:21:38	623ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-21 16:19:20	1114ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 00:26:25 shown	1026ms	3 NS 1 A 1 MX	🔒 Secure