op-tech.dk DNS records

🖥️ Nameservers2 records 34ms

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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.176	3600s	webcluster49.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	optech-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::9 2a01:111:f403:ca09::9 2a01:111:f403:ca09::d 52.101.103.140 52.101.68.21 52.101.73.11 52.101.73.153	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.40

🔷 AAAA Records (IPv6)1 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:8084:b0a8:c840:f9fe	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

🔌 SRV Records1 records 51ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 123ms

TXT Record
MS=ms44516434
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (op-tech.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)

🔐 DNSSEC105ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
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

34ms

A

30ms

MX

35ms

AAAA

31ms

TXT

123ms

CAA

30ms

HTTPS

29ms

TLSA

894ms

SOA

0ms

MTA-STS

48ms

DNSSEC

105ms

SRV

51ms

Total

1395ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:55:51	1395ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 00:14:21	2037ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-18 23:37:20	8476ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 15:18:32	6816ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-07 00:48:20	3193ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 06:16:28	2418ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 01:06:48	831ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 13:09:18	2210ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 03:54:35	4204ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-06-24 19:25:46	3358ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 12:49:32	1172ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 02:10:20	796ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 16:38:37	11442ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 15:20:58	900ms	2 NS 1 A 1 MX	🔒 Secure	View