structuraltools.dk DNS records

🖥️ Nameservers2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
colin.ns.cloudflare.com	108.162.195.75 162.159.44.75 172.64.35.75 2606:4700:58::a29f:2c4b 2803:f800:50::6ca2:c34b 2a06:98c1:50::ac40:234b	colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
laura.ns.cloudflare.com	108.162.192.183 172.64.32.183 173.245.58.183 2606:4700:50::adf5:3ab7 2803:f800:50::6ca2:c0b7 2a06:98c1:50::ac40:20b7	laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com laura.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.244	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.133.137	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	structuraltools-dk.mail.protection.outlook.com	2a01:111:f403:ca09::20 2a01:111:f403:ca09::7 2a01:111:f403:ca09::8 2a01:111:f403:ca09::b 52.101.68.15 52.101.68.8 52.101.73.16 52.101.73.28	mail-as8pr05cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00204.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	172.67.133.137

🔷 AAAA Records (IPv6)2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:df4	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:8589	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 60ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.244,172.67.133.137 ech=AEX+DQBB5QAgACANoKdFxxiFPsD4QSdYxkHiwK2EkxYzvvDDsPDlCWsLJQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:df4,2606:4700:3032::ac43:8589

📝 TXT Records5 records 186ms

TXT Record
apple-domain-verification=TrXWijqil8bx9SrF
google-site-verification=1j18rrkFVv4Fp7a4zAOLNiyUq4BOR9s87Q49-2OVfLU
google-site-verification=LyEx4o0flB3ynqiL0dn1FxG9XVuYxj0JaFv4giDYANM
MS=ms27838721
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (structuraltools.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.structuraltools.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:a6b7045f035f4353902cb4b5ebf3fa77@dmarc-reports.cloudflare.net;

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.structuraltools.dk	W9PgUyXBnEUndqosbtUFq_xHY-zzKNVWXECG9Dl1_30
TXT	_acme-challenge.structuraltools.dk	yf9oQj2tlU1aCSN3vcT_iuVAKx8sZJCKBmuLrQOhhSA

🔗 TLSA / DANE

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

🔐 DNSSEC84ms

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

🏷️ SOA33ms

Field	Value
Serial	2407482563
Primary NS (MNAME)	colin.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

43ms

A

36ms

MX

41ms

AAAA

39ms

TXT

186ms

CAA

40ms

HTTPS

60ms

TLSA

1306ms

SOA

33ms

MTA-STS

35ms

DNSSEC

84ms

SRV

79ms

Total

1837ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:20:40	1393ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-28 02:56:34	949ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 23:10:40	9893ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-21 00:36:45	12612ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 00:34:58	9512ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-26 19:29:46	2093ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 17:24:18	966ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 06:03:58	1753ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 21:35:51	1837ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 13:54:44	2658ms	2 NS 2 A 1 MX	🔓 Insecure	View