hydra.dk DNS records

🖥️ Nameservers2 records 86ms

Nameserver	IP addresses	PTR	ASN / ISP
donna.ns.cloudflare.com	108.162.192.151 172.64.32.151 173.245.58.151 2606:4700:50::adf5:3a97 2803:f800:50::6ca2:c097 2a06:98c1:50::ac40:2097	donna.ns.cloudflare.com donna.ns.cloudflare.com donna.ns.cloudflare.com donna.ns.cloudflare.com donna.ns.cloudflare.com donna.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rocky.ns.cloudflare.com	108.162.193.227 172.64.33.227 173.245.59.227 2606:4700:58::adf5:3be3 2803:f800:50::6ca2:c1e3 2a06:98c1:50::ac40:21e3	rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 85ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.46.251	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.169.141	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 71ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	hydra-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca09::2 2a01:111:f403:ca09::6 52.101.68.0 52.101.68.18 52.101.73.11 52.101.73.8	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am0pr04cu00500.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
80	300s	ms67762136.msv1.invalid	—	—	—

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.169.141

🔷 AAAA Records (IPv6)2 records 82ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2efb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:a98d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 66ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.46.251,172.67.169.141 ech=AEX+DQBBPgAgACD0Qno7dxsZ9Kr4EJT0jm8NWZI6R/SbYtGCyMjeUPF+SAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2efb,2606:4700:3033::ac43:a98d

🔌 SRV Records1 records 110ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	0	5061	sipfed.online.lync.com

📝 TXT Records5 records 259ms

TXT Record
hydra-workwear-web.azurewebsites.net
knowbe4-site-verification=7d0d1924defa9b6f10ebdcb8dd70c99d
MS=ms48426115
TKUrnxIpFIlmzhteGyPxL0X28YfErkSa8o9TayApKp7VeNcXbzOuCp1V0EkNY6ukAHq2Xwpq988YmlrhxZBHfw==
v=spf1 include:_spf16900.spfprotect.com -all

✉️ SPF

Policy	Record (hydra.dk)
-all (hard fail)	v=spf1 include:_spf16900.spfprotect.com -all

📨 DMARC

Policy	Record (_dmarc.hydra.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6453b21641c80@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

🔗 TLSA / DANE

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

🔐 DNSSEC201ms

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	2412779416
Primary NS (MNAME)	donna.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

86ms

A

85ms

MX

71ms

AAAA

82ms

TXT

259ms

CAA

92ms

HTTPS

66ms

TLSA

151ms

SOA

0ms

MTA-STS

107ms

DNSSEC

201ms

SRV

110ms

Total

2241ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 07:57:14	2241ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-20 07:10:49	1933ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-10 04:17:27	11297ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-03 03:00:57	995ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-26 01:27:27	2640ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 17:54:41	1910ms	2 NS 2 A 2 MX	🔓 Insecure	View