kalkeksperten.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
art.ns.cloudflare.com	108.162.193.102 172.64.33.102 173.245.59.102 2606:4700:58::adf5:3b66 2803:f800:50::6ca2:c166 2a06:98c1:50::ac40:2166	art.ns.cloudflare.com art.ns.cloudflare.com art.ns.cloudflare.com art.ns.cloudflare.com art.ns.cloudflare.com art.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
elle.ns.cloudflare.com	108.162.192.110 172.64.32.110 173.245.58.110 2606:4700:50::adf5:3a6e 2803:f800:50::6ca2:c06e 2a06:98c1:50::ac40:206e	elle.ns.cloudflare.com elle.ns.cloudflare.com elle.ns.cloudflare.com elle.ns.cloudflare.com elle.ns.cloudflare.com elle.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records3 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.10.231	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.11.231	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.75.143	300s	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	kalkeksperten-dk.mail.protection.outlook.com	2a01:111:f403:c967:: 2a01:111:f403:c967::2 2a01:111:f403:c967::4 2a01:111:f403:c967::6 52.101.209.2 52.101.209.4 52.101.209.6 52.101.209.74	mail-cpcp307cu00400.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpap307cu00402.inbound.protection.outlook.com mail-cpap307cu00204.inbound.protection.outlook.com mail-cpcp307cu00206.inbound.protection.outlook.com mail-cpcp307cu00402.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 → 40.104.116.8
🔶 Autoconfig	104.26.11.231

🔷 AAAA Records (IPv6)3 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:ae7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:be7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:4b8f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.26.10.231,104.26.11.231,172.67.75.143 ipv6hint=2606:4700:20::681a:ae7,2606:4700:20::681a:be7,2606:4700:20::ac43:4b8f

📝 TXT Records3 records 211ms

TXT Record
google-site-verification=K4lVssaNYG62M5N-1BsNQaSOVK7kI9yHjmePs8nqtZI
MS=ms67605110
v=spf1 a mx include:mail.zendesk.com include:spf.protection.outlook.com include:spf.simply.com ~all

✉️ SPF

Policy	Record (kalkeksperten.dk)
~all (soft fail)	v=spf1 a mx include:mail.zendesk.com include:spf.protection.outlook.com include:spf.simply.com ~all

📨 DMARC

Policy	Record (_dmarc.kalkeksperten.dk)
p=quarantine	v=DMARC1;p=quarantine;adkim=r;aspf=r;rua=mailto:cf94d55d9cbb44b489a36a7712fb2bd4@dmarc-reports.cloudflare.net;fo=1

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC88ms

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

🏷️ SOA0ms

Field	Value
Serial	2412609574
Primary NS (MNAME)	art.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

36ms

A

42ms

MX

35ms

AAAA

50ms

TXT

211ms

CAA

54ms

HTTPS

57ms

TLSA

346ms

SOA

0ms

MTA-STS

53ms

DNSSEC

88ms

SRV

77ms

Total

1049ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 03:32:09	1049ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-08-20 04:16:40	15802ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-08-16 11:26:13	2218ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-07-27 08:27:38	1531ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-07-03 19:54:29	2968ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-06-25 11:49:05	4757ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-06-22 23:46:28	1184ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 20:20:32	932ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-06-18 21:31:09	5546ms	2 NS 3 A 1 MX	🔓 Insecure	View
2026-06-18 00:56:47	1663ms	2 NS 3 A 1 MX	🔓 Insecure	View