osten-kolding.dk

Records from scan: 2026-10-03 03:27:40 · 1554ms total · last checked 2026-10-16 20:55 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

osten-kolding.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 27 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.23 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by ostenkolding-dk01c.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 42ms

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

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.23	3600s	linux178.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	ostenkolding-dk01c.mail.protection.outlook.com	2a01:111:f403:ca09::28 2a01:111:f403:ca09::a 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::a 52.101.68.10 52.101.68.12 52.101.68.27 52.101.73.120	mail-am6pr02cu00300.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am7pr02cu00300.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 → 52.98.154.136
🔶 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 86ms

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

📝 TXT Records#

3 records 112ms

TXT Record
MS=ms33182243
v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all v=spf1 include:_spf.smtp.com ~all

✉️ SPF#

Policy	Record (osten-kolding.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all v=spf1 include:_spf.smtp.com ~all

📨 DMARC#

Policy	Record (_dmarc.osten-kolding.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#

checked 2026-10-13 18:04:19

www	93.191.156.23 (AS48854) (address records, no CNAME)
www vs bare domain	Same network osten-kolding.dk: 93.191.156.23 (AS48854) www.osten-kolding.dk: 93.191.156.23 (AS48854)
Wildcard	Yes: any name under the zone resolves
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#

1 found

Selector	CNAME	Key
selector1	selector1-ostenkolding-dk01c._domainkey.ostenkolding.onmicrosoft.com	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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 04:05:15

Field	Value
Registrar	Namehost by CoMaSys ApS
Registered	2024-02-27
Expires	2027-02-26 (131d)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

31ms

36ms

AAAA

38ms

TXT

112ms

CAA

33ms

HTTPS

26ms

TLSA

783ms

SOA

31ms

MTA-STS

51ms

DNSSEC

110ms

SRV

86ms

Total

1554ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 03:27:40 shown	1554ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 03:17:46	772ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-26 08:56:23	944ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-24 01:03:13	3909ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-23 15:33:03	998ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:29:54	2336ms	3 NS 1 A 1 MX	🔒 Secure