dunstan.dk DNS records

🖥️ Nameservers2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
david.ns.cloudflare.com	108.162.193.152 172.64.33.152 173.245.59.152 2606:4700:58::adf5:3b98 2803:f800:50::6ca2:c198 2a06:98c1:50::ac40:2198	david.ns.cloudflare.com david.ns.cloudflare.com david.ns.cloudflare.com david.ns.cloudflare.com david.ns.cloudflare.com david.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
delilah.ns.cloudflare.com	108.162.194.99 162.159.38.99 172.64.34.99 2606:4700:50::a29f:2663 2803:f800:50::6ca2:c263 2a06:98c1:50::ac40:2263	delilah.ns.cloudflare.com delilah.ns.cloudflare.com delilah.ns.cloudflare.com delilah.ns.cloudflare.com delilah.ns.cloudflare.com delilah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.139	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.162.172	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dunstan-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::9 2a01:111:f403:ca09::24 2a01:111:f403:ca09::5 52.101.103.140 52.101.68.32 52.101.73.22 52.101.73.30	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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)2 records 24ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:f8b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:a2ac	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 45ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.139,172.67.162.172 ech=AEX+DQBBVAAgACAHSHUICxC8t/iQHx3wsFiEKQ08JFPD9rFsEmJ6bo5FEQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:f8b,2606:4700:3037::ac43:a2ac

🔌 SRV Records1 records 58ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 150ms

TXT Record
google-site-verification=IqWqno-emxnm-9SGpX9jx9SpJQUmqhEc4_GP56EKdSk
NETORGFT1976249.onmicrosoft.com
v=spf1 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dunstan.dk)
-all (hard fail)	v=spf1 a:dispatch-us.ppe-hosted.com include:spf.protection.outlook.com -all

📨 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

🔗 TLSA / DANE

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

🔐 DNSSEC101ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413234350
Primary NS (MNAME)	david.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

29ms

A

29ms

MX

32ms

AAAA

24ms

TXT

150ms

CAA

30ms

HTTPS

45ms

TLSA

644ms

SOA

0ms

MTA-STS

53ms

DNSSEC

101ms

SRV

58ms

Total

1320ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 15:05:20	1320ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-09 12:44:17	3667ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-30 11:59:36	1189ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 05:19:34	2052ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 05:10:45	13526ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 05:07:58	938ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 05:01:20	1730ms	2 NS 2 A 1 MX	🔓 Insecure	View