doering-online.dk DNS records

🖥️ Nameservers2 records 47ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.90.10.175	43200s	93-90-10-175.cpe.dsa-net.dk	AS31027	GlobalConnect A/S	93.90.0.0/20	🇩🇰 Denmark	Odense

📧 MX Records1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	doeringonline-dk01i.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::28 2a01:111:f403:ca09::e 2a01:111:f403:ca48::a 52.101.68.36 52.101.73.15 52.101.73.153 52.101.73.4	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr83cu00404.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 164ms

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

✉️ SPF

Policy	Record (doering-online.dk)
-all (hard fail)	v=spf1 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)

🔐 DNSSEC80ms

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

47ms

A

38ms

MX

38ms

AAAA

43ms

TXT

164ms

CAA

41ms

HTTPS

35ms

TLSA

330ms

SOA

0ms

MTA-STS

61ms

DNSSEC

80ms

SRV

63ms

Total

886ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 14:39:48	886ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 21:11:14	22753ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 17:28:39	10641ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 15:28:05	7803ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 15:20:43	2516ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 01:31:58	1211ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 14:58:45	2526ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 04:17:26	14154ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 04:13:05	1810ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 04:12:31	777ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 04:00:23	1835ms	2 NS 1 A 1 MX	🔒 Secure	View