tztest.dk DNS records

🖥️ Nameservers4 records 68ms

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 Records1 records 53ms

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 Records1 records 50ms

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::9 2a01:111:f403:ca09:: 2a01:111:f403:ca09::24 52.101.68.10 52.101.68.3 52.101.73.11 52.101.73.6	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 263ms

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

🔏 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)

🔐 DNSSEC81ms

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

🏷️ SOA0ms

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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

68ms

A

53ms

MX

50ms

AAAA

60ms

TXT

263ms

CAA

57ms

HTTPS

57ms

TLSA

499ms

SOA

0ms

MTA-STS

92ms

DNSSEC

81ms

SRV

92ms

Total

3871ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 01:32:43	3871ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 22:53:29	5489ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 04:22:03	24045ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 00:01:34	1737ms	4 NS 1 A 1 MX	🔒 Secure	View