onsk.dk

📜 Historical scan 2026-06-18 08:32:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

onsk.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.97.141.173 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by onsk-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 102ms

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 Records#

1 records 111ms

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

📧 MX Records#

1 records 119ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	onsk-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca04::4 2a01:111:f403:ca09::9 52.101.68.29 52.101.68.32 52.101.68.36 52.101.73.24	mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.99.150.120
🔶 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 Records#

2 records 159ms

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

📝 TXT Records#

7 records 444ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-08 01:41:15

www	212.97.141.173 (AS48854) (address records, no CNAME)
www vs bare domain	Same network onsk.dk: 212.97.141.173 (AS48854) www.onsk.dk: 212.97.141.173 (AS48854)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-onsk-dk._domainkey.onsk123.n-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-onsk-dk._domainkey.onsk123.n-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

313ms

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

🏷️ SOA#

250ms

Field	Value
Serial	2026041400
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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

102ms

111ms

119ms

AAAA

267ms

TXT

444ms

CAA

258ms

HTTPS

82ms

TLSA

184ms

SOA

250ms

MTA-STS

32ms

DNSSEC

313ms

SRV

159ms

Total

3133ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 23:42:53	1086ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-03 23:22:52	670ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 21:50:01	1319ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 14:28:32	1312ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-06 13:25:29	1740ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-19 20:46:29	2967ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-18 08:32:30 shown	3133ms	4 NS 1 A 1 MX	🔒 Secure