koetter.dk

📜 Historical scan 2026-06-17 13:19:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koetter.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 14 November 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.155 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by koetter-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 97ms

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 94ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.155	—	linux267.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 83ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	koetter-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::4 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 52.101.68.8 52.101.73.1 52.101.73.153 52.101.73.19	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as8pr04cu00803.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 212ms

TXT Record
MS=ms26905942
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.koetter.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 2026-10-09 21:59:16

www	93.191.156.155 (AS48854) (address records, no CNAME)
www vs bare domain	Same network koetter.dk: 93.191.156.155 (AS48854) www.koetter.dk: 93.191.156.155 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

249ms

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

🏷️ SOA#

102ms

Field	Value
Serial	2026030207
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 2026-10-01 06:58:06

Field	Value
Registrar	Simply.com A/S
Registered	2018-11-14
Expires	2030-11-30 (1500d)

📋 WHOIS#

⏱️ Lookup Timing#

97ms

94ms

83ms

AAAA

83ms

TXT

212ms

CAA

106ms

HTTPS

91ms

TLSA

435ms

SOA

102ms

MTA-STS

98ms

DNSSEC

249ms

SRV

0ms

Total

2707ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 06:41:16	1142ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-25 05:17:20	1316ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 05:47:39	1262ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 03:50:28	1126ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:19:10 shown	2707ms	4 NS 1 A 1 MX	🔒 Secure