tabularasa.dk

📜 Historical scan 2026-08-20 08:02:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tabularasa.dk is a .dk domain served by 2 nameservers (bailey.ns.cloudflare.com, sean.ns.cloudflare.com). It was registered on 7 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.59.150 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by tabularasa-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 49ms

Nameserver	IP addresses	PTR	ASN / ISP
bailey.ns.cloudflare.com	108.162.194.41 162.159.38.41 172.64.34.41 2606:4700:50::a29f:2629 2803:f800:50::6ca2:c229 2a06:98c1:50::ac40:2229	bailey.ns.cloudflare.com bailey.ns.cloudflare.com bailey.ns.cloudflare.com bailey.ns.cloudflare.com bailey.ns.cloudflare.com bailey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sean.ns.cloudflare.com	108.162.193.231 172.64.33.231 173.245.59.231 2606:4700:58::adf5:3be7 2803:f800:50::6ca2:c1e7 2a06:98c1:50::ac40:21e7	sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.ns.cloudflare.com sean.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 68ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.59.150	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.179.190	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tabularasa-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::f 2a01:111:f403:ca09:: 2a01:111:f403:ca09::e 52.101.68.12 52.101.68.15 52.101.68.36 52.101.73.2	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3b96	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:b3be	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=104.21.59.150,172.67.179.190 ech=AEX+DQBBaQAgACBl1OZ+7gMKOQQvXVP5MhMvRI+X8kaVpG7CeXENKXfZIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3b96,2606:4700:3034::ac43:b3be

🔌 SRV Records#

1 records 106ms

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

📝 TXT Records#

3 records 280ms

TXT Record
MS=ms62697970
openai-domain-verification=dv-U5Y9R1Le7K2E2ouXgUHSadqH
v=spf1 include:spf.protection.outlook.com include:n2itspf.smtp.com include:sendgrid.net -all

✉️ SPF#

Policy	Record (tabularasa.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:n2itspf.smtp.com include:sendgrid.net -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-10 01:32:06

www	104.21.59.150 172.67.179.190 2606:4700:3031::6815:3b96 2606:4700:3034::ac43:b3be (AS13335) (address records, no CNAME)
www vs bare domain	Same network tabularasa.dk: 104.21.59.150 172.67.179.190 2606:4700:3031::6815:3b96 2606:4700:3034::ac43:b3be (AS13335) www.tabularasa.dk: 104.21.59.150 172.67.179.190 2606:4700:3031::6815:3b96 2606:4700:3034::ac43:b3be (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector2	selector2-tabularasa-dk._domainkey.vnerds.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: 4/10 · policy: -all

error include:n2itspf.smtp.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.tabularasa.dk	DEOm_RKvNQlb6dADhHLzbPUzT1L9QTdij4lldqkm4As
TXT	_acme-challenge.tabularasa.dk	IRIv2qDxlBfhqk4fs4ommQAW1B7WFaYoSh1jrXbyGDk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412616547
Primary NS (MNAME)	bailey.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 20:14:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-08-07
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

68ms

65ms

AAAA

60ms

TXT

280ms

CAA

54ms

HTTPS

36ms

TLSA

913ms

SOA

0ms

MTA-STS

88ms

DNSSEC

94ms

SRV

106ms

Total

2331ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 16:04:31	1065ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-18 10:10:52	4084ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-07 15:44:53	2126ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-04 07:37:15	1444ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-27 12:55:53	1404ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 22:44:21	1609ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 09:18:14	1589ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 08:02:20 shown	2331ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 00:30:40	3490ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-16 19:44:42	2161ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-28 03:35:16	1076ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 09:49:06	4801ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 13:46:23	3359ms	2 NS 2 A 1 MX	🔓 Insecure