kerteminde.dk

📜 Historical scan 2026-09-03 22:29:17 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kerteminde.dk is a .dk domain served by 2 nameservers (ns-auth03.kmd.dk, ns-auth04.kmd.dk). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.64.13 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by kerteminde-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

2 records 27ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-auth03.kmd.dk	131.165.64.5	ns-auth03.kmd.dk	AS6834 KMD A/S
ns-auth04.kmd.dk	131.165.4.5	ns-auth04.kmd.dk	AS6834 KMD A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.64.13	300s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	kerteminde-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::1 2a01:111:f403:ca09::9 2a01:111:f403:ca48::8 52.101.209.28 52.101.68.29 52.101.91.153 52.101.91.162	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00302.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	131.165.94.116

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

2 records 83ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	1	100	443	autodiscover.kerteminde.dk
_sipfederationtls._tcp	1	100	5061	sip.kerteminde.dk

📝 TXT Records#

12 records 234ms

TXT Record
_kggn3zyncucq3xijjqgg17tlajefpck
5pyGL6SQdBW79kduI3c79MOhGhhSinAlTO/L373Sgmheavh8WuhZTH4oSuSVo28r28okC6F5vgD/8D+IN+oxCA==
96lh6unrudknvodsjhcniskned
apple-domain-verification=BcWVQLlHrTrQIaaE
bjflbbllrdv47t4c2rk634kbx66wlhfq
c48qwtp2t6qkx38lxtl1kfnr38xcffnp
eqfsfi4tt8eo6q0tm4484cfrmi
ISONuoDILMhN3stP71muYFuosJxIWeYUZnRYm+zonfCeNj56iiG+ArcuI68clJQHfFHymMN6iJ6VzohZctydiw==
MS=ms75841098
v=spf1 include:spf1.kerteminde.dk include:spf.prod.frontavenue.com include:spf.protection.outlook.com include:sendgrid.net a:c.spf.service-now.com a:asmtp.compusoft.dk ip4:91.121.192.191 ip4:147.29.238.1 ip4:147.29.236.1 -all
xwsywqzcs138bb02tdpjzdtsdtwwvkk8
yzqpk962sw62tm2b8h7c1xbkdh0ns9b6

✉️ SPF#

Policy	Record (kerteminde.dk)
-all (hard fail)	v=spf1 include:spf1.kerteminde.dk include:spf.prod.frontavenue.com include:spf.protection.outlook.com include:sendgrid.net a:c.spf.service-now.com a:asmtp.compusoft.dk ip4:91.121.192.191 ip4:147.29.238.1 ip4:147.29.236.1 -all

📨 DMARC#

Policy	Record (_dmarc.kerteminde.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:67f51367d220c@dmarc-dk.centerasecurity.com; ruf=mailto:dmarc@kerteminde.dk; fo=1; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=none;

📬 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 2026-10-22 07:47:02

www CNAME	kerteminde.dk (all on kerteminde.dk) → 20.50.64.13 (AS8075)
www vs bare domain	Same network kerteminde.dk: 20.50.64.13 (AS8075) www.kerteminde.dk: 20.50.64.13 (AS8075)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 16-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

4 found

Selector	CNAME	Key
s1	s1.domainkey.u3755192.wl193.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u3755192.wl193.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-kerteminde-dk._domainkey.kerteminde.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-kerteminde-dk._domainkey.kerteminde.onmicrosoft.com	RSA · ~1024 bit below 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: 8/10 · policy: -all

warn 8 of the 10 allowed DNS lookups used: one more include can break SPF

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.kerteminde.dk	_acme-challenge.9ac01310829aae848a5b299bb9e38ac9fdd3e0d949697c77.upcloudlb.com

🔗 TLSA / DANE#

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

🔐 DNSSEC#

134ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	1676
Primary NS (MNAME)	ns-auth03.kmd.dk
Responsible (RNAME)	dnsadmin@kmd.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	43200s

📋 Registration#

WHOIS fetched 2026-10-19 09:20:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-01-31
Expires	2031-03-31 (1621d)

🔗 Same registrant#

2 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
detmaritimehusikerteminde.dk	Punktum dk A/S (direct)
kerteminde-skoler.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

27ms

32ms

29ms

AAAA

28ms

TXT

234ms

CAA

26ms

HTTPS

47ms

TLSA

688ms

SOA

0ms

MTA-STS

76ms

DNSSEC

134ms

SRV

83ms

Total

1340ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 07:47:02	1316ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-20 09:53:27	2463ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-19 08:59:57	2155ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-18 07:50:56	1433ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-17 07:47:30	1554ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-16 07:12:58	1910ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-15 06:00:22	1426ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-14 05:04:38	3106ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-13 01:41:54	1486ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-11 22:36:20	1481ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-10 19:08:01	1815ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-09 16:53:50	2362ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-08 15:49:39	1953ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-07 15:40:20	2062ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-06 14:18:13	1159ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-05 13:07:17	1506ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-04 12:48:46	1812ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-03 12:46:53	1934ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-02 12:45:41	1225ms	2 NS 1 A 1 MX	🔓 Insecure
2026-10-01 12:44:01	1421ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 12:42:09	1580ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 12:38:57	1388ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-28 12:33:15	1064ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-27 12:21:27	1157ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-26 12:08:25	2112ms	2 NS 1 A 1 MX	🔓 Insecure