kastanie.dk

📜 Historical scan 2026-10-05 17:15:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kastanie.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 6 June 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.39.212 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by kastanie-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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.39.212	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.148.227	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	kastanie-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::f 2a01:111:f403:ca09::24 2a01:111:f403:ca38::a 52.101.103.140 52.101.103.162 52.101.209.31 52.101.68.21	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db4pr02cu00205.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

2 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:94e3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:27d4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 53ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.39.212,172.67.148.227 ech=AEX+DQBBywAgACAtuziSxssOTMYmbnbHakuPd3ZSRLNl1b9cECMwf3P7MQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:94e3,2606:4700:3037::6815:27d4

🔌 SRV Records#

1 records 83ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 196ms

TXT Record
MS=ms99352307
v=spf1 include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (kastanie.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.kastanie.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:dmarc@kastanie.dk; ruf=mailto:dmarc@kastanie.dk; 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-22 19:10:09

www	104.21.39.212 172.67.148.227 2606:4700:3034::ac43:94e3 2606:4700:3037::6815:27d4 (AS13335) (address records, no CNAME)
www vs bare domain	Same network kastanie.dk: 104.21.39.212 172.67.148.227 2606:4700:3034::ac43:94e3 2606:4700:3037::6815:27d4 (AS13335) www.kastanie.dk: 104.21.39.212 172.67.148.227 2606:4700:3034::ac43:94e3 2606:4700:3037::6815:27d4 (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#

1 found

Selector	CNAME	Key
selector1	selector1-kastanie-dk._domainkey.kastanie.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.kastanie.dk	NW14ff41rohtz8kzDsbUMOMF_o6eQRHuiXJhEciMedw
TXT	_acme-challenge.kastanie.dk	VSw2x18PrFZV5Ez8nzAMy2q8eAme6JbvPmedJJmlRBU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

56ms

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

🏷️ SOA#

45ms

Field	Value
Serial	2416694654
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 14:23:21

Field	Value
Registrar	CURANET A/S
Registered	2000-06-06
Expires	2027-06-30 (249d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

39ms

41ms

39ms

AAAA

33ms

TXT

196ms

CAA

31ms

HTTPS

53ms

TLSA

801ms

SOA

45ms

MTA-STS

60ms

DNSSEC

56ms

SRV

83ms

Total

1241ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 19:10:09	602ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-19 14:08:34	2353ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-06 20:50:06	2494ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-05 17:15:24 shown	1241ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-24 15:41:15	1142ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-13 16:06:14	10036ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-01 04:26:37	1809ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-09 06:21:24	2858ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-31 13:31:55	17419ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 21:50:13	1134ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 07:03:58	1113ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 04:01:24	1133ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 00:44:51	1117ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 14:34:50	824ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 05:05:57	1166ms	2 NS 1 A 1 MX	🔒 Secure