crusto.dk DNS records

🖥️ Nameservers4 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-08.azure-dns.com	13.107.236.8 2603:1061:0:700::8	ns1-08.azure-dns.com ns1-08.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-08.azure-dns.net	150.171.21.8 2620:1ec:8ec:700::8	ns2-08.azure-dns.net ns2-08.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-08.azure-dns.org	204.14.183.8 2a01:111:4000:700::8	ns3-08.azure-dns.org ns3-08.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-08.azure-dns.info	208.84.5.8 2620:1ec:bda:700::8	ns4-08.azure-dns.info ns4-08.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records2 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.135.89	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—
162.159.136.89	3600s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—

📧 MX Records1 records 61ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.sendgrid.net	13.216.54.185 15.222.160.229 16.52.110.174 16.52.61.209 18.224.101.244 3.136.245.72 3.17.120.38 34.198.67.24 44.216.124.122 44.245.249.202 52.25.213.239 52.37.49.26	ec2-13-216-54-185.compute-1.amazonaws.com ec2-15-222-160-229.ca-central-1.compute.amazonaws.com ec2-16-52-110-174.ca-central-1.compute.amazonaws.com ec2-16-52-61-209.ca-central-1.compute.amazonaws.com ec2-18-224-101-244.us-east-2.compute.amazonaws.com ec2-3-136-245-72.us-east-2.compute.amazonaws.com ec2-3-17-120-38.us-east-2.compute.amazonaws.com ec2-34-198-67-24.compute-1.amazonaws.com ec2-44-216-124-122.compute-1.amazonaws.com ec2-44-245-249-202.us-west-2.compute.amazonaws.com ec2-52-25-213-239.us-west-2.compute.amazonaws.com ec2-52-37-49-26.us-west-2.compute.amazonaws.com	AS14618 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS14618 Amazon.com, Inc. AS14618 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🔷 AAAA Records (IPv6)2 records 60ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:7::a29f:8759	3600s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇸🇦 Saudi Arabia	Riyadh
2606:4700:7::a29f:8859	3600s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	🇸🇦 Saudi Arabia	Riyadh

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 224ms

TXT Record
google-site-verification=tub-n1Q8wM9EiATYzbTRA_9S3M3NHT9SsiRfIxclHaU

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.crusto.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.crusto.dk	crusto.dk.7c229867e7b1b96c.dcv.cloudflare.com

🔗 TLSA / DANE

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

🔐 DNSSEC114ms

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

🏷️ SOA0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-08.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

59ms

MX

61ms

AAAA

60ms

TXT

224ms

CAA

53ms

HTTPS

67ms

TLSA

179ms

SOA

0ms

MTA-STS

73ms

DNSSEC

114ms

SRV

69ms

Total

905ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 19:22:16	905ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-06-19 19:17:40	3395ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 00:19:31	65535ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 23:26:20	2587ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 23:07:20	590ms	4 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 23:01:20	1000ms	4 NS 2 A 1 MX	🔓 Insecure	View