kjeldsen.dk

📜 Historical scan 2026-09-23 13:56:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kjeldsen.dk is a .dk domain served by 2 nameservers (luke.ns.cloudflare.com, rosalyn.ns.cloudflare.com). It was registered on 25 June 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.44.124 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by kjeldsen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 58ms

Nameserver	IP addresses	PTR	ASN / ISP
luke.ns.cloudflare.com	108.162.193.200 172.64.33.200 173.245.59.200 2606:4700:58::adf5:3bc8 2803:f800:50::6ca2:c1c8 2a06:98c1:50::ac40:21c8	luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com luke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosalyn.ns.cloudflare.com	108.162.194.59 162.159.38.59 172.64.34.59 2606:4700:50::a29f:263b 2803:f800:50::6ca2:c23b 2a06:98c1:50::ac40:223b	rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com rosalyn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.44.124	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.199.190	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	kjeldsen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::e 2a01:111:f403:ca21::e 2a01:111:f403:ca3c::8 52.101.103.39 52.101.185.24 52.101.68.25 52.101.68.8	mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 52.98.149.136

🔷 AAAA Records (IPv6)#

2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:2c7c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:c7be	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.44.124,172.67.199.190 ech=AEX+DQBBSwAgACD11o6crS/bLU3TWG3c5Ae/Qe5+Db736R+swrunvTY7YwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2c7c,2606:4700:3032::ac43:c7be

📝 TXT Records#

1 records 239ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:88.99.124.163 ip4:158.248.206.38 ip4:95.138.212.100 ip4:158.248.201.18 -all

✉️ SPF#

Policy	Record (kjeldsen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:88.99.124.163 ip4:158.248.206.38 ip4:95.138.212.100 ip4:158.248.201.18 -all

📨 DMARC#

Policy	Record (_dmarc.kjeldsen.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:9254dbb02ace43c8a16913e983ef0e8f@dmarc-reports.cloudflare.net; sp=none;

📬 MTA-STS#

284ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	1737213617956
max_age	604800s
Policy MX	*.mail.protection.outlook.com, cpanel.greait.cloud

📈 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 21:04:08

www	104.21.44.124 172.67.199.190 2606:4700:3030::6815:2c7c 2606:4700:3032::ac43:c7be (AS13335) (address records, no CNAME)
www vs bare domain	Same network kjeldsen.dk: 104.21.44.124 172.67.199.190 2606:4700:3030::6815:2c7c 2606:4700:3032::ac43:c7be (AS13335) www.kjeldsen.dk: 104.21.44.124 172.67.199.190 2606:4700:3030::6815:2c7c 2606:4700:3032::ac43:c7be (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
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
default	default._domainkey.cpanel.greait.cloud	RSA · ~2048 bit
selector2	selector2-kjeldsen-dk._domainkey.kjeldsen.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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.kjeldsen.dk	IchYJpEyrIJZeqQTdJ1TgUT6CvCmq10PV6L2c0pCAaU
TXT	_acme-challenge.kjeldsen.dk	xRpHO95KwqoAX3u8iH0PW-sSsK27ixr3jPrqN0pfCfw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

131ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415590203
Primary NS (MNAME)	luke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 06:25:50

Field	Value
Registrar	Greait
Registered	2003-06-25
Expires	2030-07-31 (1376d)

📋 WHOIS#

⏱️ Lookup Timing#

58ms

40ms

63ms

AAAA

49ms

TXT

239ms

CAA

48ms

HTTPS

36ms

TLSA

821ms

SOA

0ms

MTA-STS

284ms

DNSSEC

131ms

SRV

96ms

Total

2195ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 21:04:08	2774ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 06:14:51	1696ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-01 02:25:57	2615ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 02:11:47	1064ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 14:31:56	1504ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-23 13:56:03 shown	2195ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 19:28:27	1238ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-14 00:50:22	3324ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-31 17:58:58	2540ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-28 09:27:22	1499ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 02:45:29	1810ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-04 10:33:36	1731ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-29 22:47:43	2527ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-26 11:14:48	2085ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-05 20:59:41	2429ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 13:20:54	3429ms	2 NS 2 A 1 MX	🔒 Secure