tztest.dk

📜 Historical scan 2026-07-02 22:53:29 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tztest.dk is a .dk domain served by 4 nameservers (ns-1100.awsdns-09.org, ns-1727.awsdns-23.co.uk, ns-292.awsdns-36.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 137.135.135.103 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by tztest-dk.mail.protection.outlook.com. 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#

4 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1100.awsdns-09.org	205.251.196.76 2600:9000:5304:4c00::1	ns-1100.awsdns-09.org ns-1100.awsdns-09.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1727.awsdns-23.co.uk	205.251.198.191 2600:9000:5306:bf00::1	ns-1727.awsdns-23.co.uk ns-1727.awsdns-23.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-292.awsdns-36.com	205.251.193.36 2600:9000:5301:2400::1	ns-292.awsdns-36.com ns-292.awsdns-36.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-890.awsdns-47.net	205.251.195.122 2600:9000:5303:7a00::1	ns-890.awsdns-47.net ns-890.awsdns-47.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records#

1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
137.135.135.103	3600s	—	AS8075	Microsoft Corporation	137.135.0.0/16	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tztest-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::d 2a01:111:f403:ca09::2 2a01:111:f403:ca09::6 52.101.68.8 52.101.73.12 52.101.73.22 52.101.73.4	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 267ms

TXT Record
globalsign-domain-verification=E26A644EFEB930456955C035E119369F

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.tztest.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6464b932f12ee@dmarc.centerasecurity.com;

📬 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 2026-10-11 13:36:32

www	137.135.135.103 (AS8075) (address records, no CNAME)
www vs bare domain	Same network tztest.dk: 137.135.135.103 (AS8075) www.tztest.dk: 137.135.135.103 (AS8075)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.tztest.dk	d22b351b-b550-4183-b154-b0233e9f326a.trustzonevalidation.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2049ms

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

🏷️ SOA#

39ms

Field	Value
Serial	1
Primary NS (MNAME)	ns-1727.awsdns-23.co.uk
Responsible (RNAME)	awsdns-hostmaster@amazon.com
Refresh	7200s
Retry	900s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

52ms

56ms

AAAA

40ms

TXT

267ms

CAA

45ms

HTTPS

41ms

TLSA

250ms

SOA

39ms

MTA-STS

62ms

DNSSEC

2049ms

SRV

86ms

Total

5489ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 13:58:50	3833ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-25 14:54:12	5147ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:32:43	3871ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-02 22:53:29 shown	5489ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-18 04:22:03	24045ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-18 00:01:34	1737ms	4 NS 1 A 1 MX	🔒 Secure