onsk.dk DNS records

🖥️ Nameservers4 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.97.141.173	501s	vm1475.enterprisecloud.nu	AS48854	team.blue Denmark A/S	212.97.140.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	onsk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09::7 2a01:111:f403:ca09::f 2a01:111:f403:ca48::a 52.101.103.137 52.101.68.16 52.101.68.5 52.101.73.126	mail-db7pr03cu00401.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am8pr83cu00106.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
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 55ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records7 records 186ms

TXT Record
facebook-domain-verification=jzrxwhgq6pm8pip4pxnnq9ajgfc5tt
google-site-verification=H45LQAQv-5sRFyXqPuudBvLY2EgLsafRd3ZJ_gQrhpc
google-site-verification=klh87UNkbGZmPzPsD9e7qJfKPnipOo3J9oQ4l-shWQg
klaviyo-site-verification=Wp6JaE
MS=ms44184700
trustpilot-one-time-verification-id=0b2d7b84-23f5-42ba-9f74-5bf78cc103cd
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF

Policy	Record (onsk.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.onsk.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.onsk.dk	lhJR80zBMfZwthzG2wNVhxipQoEfMbYkfCyOjz8UawE

🔗 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	2026082500
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

37ms

A

37ms

MX

49ms

AAAA

41ms

TXT

186ms

CAA

38ms

HTTPS

63ms

TLSA

655ms

SOA

0ms

MTA-STS

57ms

DNSSEC

83ms

SRV

55ms

Total

1319ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 21:50:01	1319ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 14:28:32	1312ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 13:25:29	1740ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 20:46:29	2967ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 08:32:30	3133ms	4 NS 1 A 1 MX	🔒 Secure	View