dhdas.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.127	600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records2 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	d317412.a.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
10	3600s	d317412.b.ess.de.barracudanetworks.com	18.185.115.250 18.185.115.251 18.185.115.252	mail.ess.de.barracuda.com mail.ess.de.barracuda.com mail.ess.de.barracuda.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 72ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 160ms

TXT Record
MS=ms89468484
v=spf1 ip4:87.63.192.116 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dhdas.dk)
-all (hard fail)	v=spf1 ip4:87.63.192.116 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)

🔐 DNSSEC83ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

45ms

MX

43ms

AAAA

63ms

TXT

160ms

CAA

51ms

HTTPS

59ms

TLSA

90ms

SOA

0ms

MTA-STS

55ms

DNSSEC

83ms

SRV

72ms

Total

660ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 14:49:32	660ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-08-14 09:21:20	3052ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-19 01:59:43	888ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-07-13 21:26:32	916ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-30 04:52:34	720ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-26 00:59:31	512ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 09:48:26	1070ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 18:15:28	967ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-21 12:33:56	2151ms	2 NS 1 A 2 MX	🔒 Secure	View
2026-06-21 01:19:50	1027ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 02:35:14	857ms	2 NS 1 A 2 MX	🔒 Secure	View