ddb-data.dk DNS records

🖥️ Nameservers2 records 214ms

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 161ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.98	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 163ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ddbdata-dk0i.mail.eo.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca09:: 2a01:111:f403:ca09::20 52.101.68.18 52.101.68.21 52.101.68.29 52.101.73.12	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.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
🔶 Autoconfig	77.66.16.17

🔷 AAAA Records (IPv6)1 records 220ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:8012:8ca4:fea1:c81d	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 447ms

TXT Record
7jE-nQ4-l4C
v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (ddb-data.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:web.shared.mysmtp.com include:_custspf.one.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)

🔐 DNSSEC337ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081501
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

214ms

A

161ms

MX

163ms

AAAA

220ms

TXT

447ms

CAA

172ms

HTTPS

233ms

TLSA

4097ms

SOA

0ms

MTA-STS

249ms

DNSSEC

337ms

SRV

288ms

Total

7004ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 09:53:28	9065ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-16 05:14:35	7004ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 16:23:24	5091ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 04:57:28	2638ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 10:16:53	2966ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 01:30:37	4546ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 01:20:10	1540ms	2 NS 1 A 1 MX	🔒 Secure	View