principia.dk

Records from scan: 2026-10-15 10:41:08 · 2853ms total · last checked 2026-10-22 07:55 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

principia.dk is a .dk domain served by 2 nameservers (johnny.ns.cloudflare.com, sima.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.10.19 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by principia-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 134ms

Nameserver	IP addresses	PTR	ASN / ISP
johnny.ns.cloudflare.com	108.162.195.186 162.159.44.186 172.64.35.186 2606:4700:58::a29f:2cba 2803:f800:50::6ca2:c3ba 2a06:98c1:50::ac40:23ba	johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com johnny.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sima.ns.cloudflare.com	108.162.192.222 172.64.32.222 173.245.58.222 2606:4700:50::adf5:3ade 2803:f800:50::6ca2:c0de 2a06:98c1:50::ac40:20de	sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.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 100ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.10.19	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.162.31	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 85ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	principia-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::d 2a01:111:f403:ca09::20 2a01:111:f403:ca3c::8 52.101.103.36 52.101.185.21 52.101.209.153 52.101.209.28	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr05cu00104.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-cpjpr05cu00104.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	104.21.10.19
🔶 Autoconfig	172.67.162.31

🔷 AAAA Records (IPv6)#

2 records 109ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:a13	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:a21f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 113ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.10.19,172.67.162.31 ech=AEX+DQBBvAAgACDCEGpSvI5yiNtcYtYwc/UiEXDsWjUYGeDBTaKhdh77dAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:a13,2606:4700:3033::ac43:a21f

🔌 SRV Records#

1 records 143ms

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

📝 TXT Records#

2 records 284ms

TXT Record
MS=ms51338895
v=spf1 include:_spf62510.spf-protect.dk -all

✉️ SPF#

Policy	Record (principia.dk)
-all (hard fail)	v=spf1 include:_spf62510.spf-protect.dk -all

📨 DMARC#

Policy	Record (_dmarc.principia.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:6718fc5a06b4e@dmarc-dk.centerasecurity.com;

📬 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#

checked 2026-10-15 10:41:08

www	104.21.10.19 172.67.162.31 2606:4700:3032::6815:a13 2606:4700:3033::ac43:a21f (AS13335) (address records, no CNAME)
www vs bare domain	Same network principia.dk: 104.21.10.19 172.67.162.31 2606:4700:3032::6815:a13 2606:4700:3033::ac43:a21f (AS13335) www.principia.dk: 104.21.10.19 172.67.162.31 2606:4700:3032::6815:a13 2606:4700:3033::ac43:a21f (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-principia-dk._domainkey.hfchristiansen.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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

185ms

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

🏷️ SOA#

66ms

Field	Value
Serial	2417451361
Primary NS (MNAME)	johnny.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

134ms

100ms

85ms

AAAA

109ms

TXT

284ms

CAA

108ms

HTTPS

113ms

TLSA

1095ms

SOA

66ms

MTA-STS

112ms

DNSSEC

185ms

SRV

143ms

Total

2853ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 10:41:08 shown	2853ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-21 21:51:30	1129ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 05:22:55	1440ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 22:24:40	1564ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-03 23:34:22	839ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 17:45:23	1412ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 16:13:49	2330ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 07:55:30	5295ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-06 18:15:29	2055ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-20 03:10:17	1856ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-11 08:45:35	3650ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 21:11:54	2869ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 23:54:22	1135ms	2 NS 2 A 1 MX	🔒 Secure