sign2build.dk

📜 Historical scan 2026-08-31 16:03:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sign2build.dk is a .dk domain served by 2 nameservers (alla.ns.cloudflare.com, anuj.ns.cloudflare.com). It was registered on 14 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.21.75 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by sign2build-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
alla.ns.cloudflare.com	108.162.192.62 172.64.32.62 173.245.58.62 2606:4700:50::adf5:3a3e 2803:f800:50::6ca2:c03e 2a06:98c1:50::ac40:203e	alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com alla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
anuj.ns.cloudflare.com	108.162.193.65 172.64.33.65 173.245.59.65 2606:4700:58::adf5:3b41 2803:f800:50::6ca2:c141 2a06:98c1:50::ac40:2141	anuj.ns.cloudflare.com anuj.ns.cloudflare.com anuj.ns.cloudflare.com anuj.ns.cloudflare.com anuj.ns.cloudflare.com anuj.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.21.75	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.197.7	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sign2build-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

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:c507	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:154b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 28ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.21.75,172.67.197.7 ech=AEX+DQBBbQAgACB7/SBH+xqW4r7SI60BZcc14GXZERm9bXXLDs1CZjL2RwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c507,2606:4700:3034::6815:154b

📝 TXT Records#

2 records 146ms

TXT Record
MS=ms21213337
v=spf1 include:spf.protection.outlook.com include:_spf.tem.scaleway.com -all

✉️ SPF#

Policy	Record (sign2build.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.tem.scaleway.com -all

📨 DMARC#

Policy	Record (_dmarc.sign2build.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 2026-10-09 07:32:14

www	NXDOMAIN
www vs bare domain	www does not resolve sign2build.dk: 104.21.21.75 172.67.197.7 2606:4700:3031::ac43:c507 2606:4700:3034::6815:154b (AS13335) www.sign2build.dk: no address (all like this)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.sign2build.dk	r9eTgtoDsrTahZZ1hJ937_-Lwp6cVr8ZpsXRS6k8low
TXT	_acme-challenge.sign2build.dk	x1b-b0fF_88A2_VbDbxOay09I49C8Y5HQ8VQqeZ46ZU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

105ms

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	2413567195
Primary NS (MNAME)	alla.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 15:00:44

Field	Value
Registrar	Simply.com A/S
Registered	2026-05-14
Expires	2027-05-13 (204d)

📋 WHOIS#

⏱️ Lookup Timing#

26ms

34ms

33ms

AAAA

34ms

TXT

146ms

CAA

34ms

HTTPS

28ms

TLSA

180ms

SOA

0ms

MTA-STS

47ms

DNSSEC

105ms

SRV

43ms

Total

801ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 23:35:55	827ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-22 01:55:14	1773ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 07:15:03	1292ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-16 00:48:15	1793ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-14 00:07:33	1613ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-12 05:27:29	1901ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-04 01:48:31	1705ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-31 16:03:42 shown	801ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-16 16:32:13	2290ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 18:24:26	1807ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-19 09:05:22	1468ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 23:31:50	4819ms	2 NS 2 A 1 MX	🔓 Insecure