hrtua.dk DNS records

🖥️ Nameservers2 records 263ms

Nameserver	IP addresses	PTR	ASN / ISP
jake.ns.cloudflare.com	108.162.193.122 172.64.33.122 173.245.59.122 2606:4700:58::adf5:3b7a 2803:f800:50::6ca2:c17a 2a06:98c1:50::ac40:217a	jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com jake.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
laila.ns.cloudflare.com	108.162.194.122 162.159.38.122 172.64.34.122 2606:4700:50::a29f:267a 2803:f800:50::6ca2:c27a 2a06:98c1:50::ac40:227a	laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com laila.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 216ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	hrtua-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::2 2a01:111:f403:ca09::c 2a01:111:f403:ca09::f 52.101.68.21 52.101.68.25 52.101.68.32 52.101.68.8	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-du0pr03cu00100.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 Records2 records 557ms

TXT Record
ms76152227
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (hrtua.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.hrtua.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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)

🔐 DNSSEC381ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2411746634
Primary NS (MNAME)	jake.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

263ms

A

249ms

MX

216ms

AAAA

222ms

TXT

557ms

CAA

234ms

HTTPS

265ms

TLSA

289ms

SOA

0ms

MTA-STS

334ms

DNSSEC

381ms

SRV

330ms

Total

5576ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-09 23:14:09	5576ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-17 08:00:37	10122ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-17 14:00:30	16400ms	2 NS 1 A 3 MX	🔒 Secure	View