fpkastanien.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
cruz.ns.cloudflare.com	108.162.192.88 172.64.32.88 173.245.58.88 2606:4700:50::adf5:3a58 2803:f800:50::6ca2:c058 2a06:98c1:50::ac40:2058	cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com cruz.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
micah.ns.cloudflare.com	108.162.193.206 172.64.33.206 173.245.59.206 2606:4700:58::adf5:3bce 2803:f800:50::6ca2:c1ce 2a06:98c1:50::ac40:21ce	micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com micah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.26.234	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.168.150	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	fpkastanien-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::6 2a01:111:f403:ca04::d 2a01:111:f403:ca09::6 52.101.103.143 52.101.68.39 52.101.68.8 52.101.73.24	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.40
🔶 Autoconfig	104.21.26.234

🔷 AAAA Records (IPv6)2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1aea	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a896	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 71ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.26.234,172.67.168.150 ech=AEX+DQBBGQAgACAPXO7Y1DOCev7PtFEuNgGpquqxccAADZv09nN/Da31IgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1aea,2606:4700:3035::ac43:a896

📝 TXT Records3 records 253ms

TXT Record
google-site-verification=iqRZqCpiZS0KgPlv2cpkKt-CrSBh2ovK0fEZmtKzFrE
MS=ms78732704
v=spf1 include:spf.protection.outlook.com ip4:93.191.155.217 ip4:185.21.40.251 -all

✉️ SPF

Policy	Record (fpkastanien.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:93.191.155.217 ip4:185.21.40.251 -all

📨 DMARC

Policy	Record (_dmarc.fpkastanien.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=reject; pct=100; adkim=s; aspf=s; rua=mailto:dmarc_agg@vali.email; 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)

🔐 DNSSEC93ms

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

🏷️ SOA0ms

Field	Value
Serial	2412806671
Primary NS (MNAME)	cruz.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

49ms

A

33ms

MX

36ms

AAAA

37ms

TXT

253ms

CAA

58ms

HTTPS

71ms

TLSA

797ms

SOA

0ms

MTA-STS

73ms

DNSSEC

93ms

SRV

87ms

Total

1573ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 01:32:30	1573ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 23:14:32	2190ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 23:00:05	11049ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 11:40:47	504ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 19:06:49	1183ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:23:52	1010ms	2 NS 1 A 1 MX	🔒 Secure	View