crewnet.dk DNS records

🖥️ Nameservers2 records 175ms

Nameserver	IP addresses	PTR	ASN / ISP
barbara.ns.cloudflare.com	108.162.192.248 172.64.32.248 173.245.58.248 2606:4700:50::adf5:3af8 2803:f800:50::6ca2:c0f8 2a06:98c1:50::ac40:20f8	barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com barbara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
guss.ns.cloudflare.com	108.162.193.172 172.64.33.172 173.245.59.172 2606:4700:58::adf5:3bac 2803:f800:50::6ca2:c1ac 2a06:98c1:50::ac40:21ac	guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records3 records 130ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.0.245	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.1.245	300s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.70.139	300s	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records5 records 159ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	142.251.127.26 2a00:1450:4001:c21::1a	lcfrai-in-f26.1e100.net lcfrai-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx2.googlemail.com	142.250.147.27 2a00:1450:4025:c01::1b	rd-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	aspmx3.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)3 records 161ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:1f5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:f5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:468b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records1 records 158ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.26.0.245,104.26.1.245,172.67.70.139 ipv6hint=2606:4700:20::681a:f5,2606:4700:20::681a:1f5,2606:4700:20::ac43:468b

📝 TXT Records1 records 397ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (crewnet.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.crewnet.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; rua=mailto:re+c71f03f51e99@inbound.dmarcdigests.com; pct=100

📬 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.crewnet.dk	9sU7Su0FBBHA0nCD3xX4u7TW4r31KLUpPr9J1R7vmco
TXT	_acme-challenge.crewnet.dk	Lj-QXIwEXmthPowP3fgcUv9G1-NtAC2SA0qiN0SEBYg

🔗 TLSA / DANE

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

🔐 DNSSEC262ms

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	2413510121
Primary NS (MNAME)	barbara.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

175ms

A

130ms

MX

159ms

AAAA

161ms

TXT

397ms

CAA

158ms

HTTPS

158ms

TLSA

265ms

SOA

0ms

MTA-STS

187ms

DNSSEC

262ms

SRV

180ms

Total

1970ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 14:45:38	1970ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-08-26 14:48:34	1195ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-08-26 12:28:49	791ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-08-24 05:27:51	6851ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-08-11 16:45:08	4248ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-08-08 14:40:07	1517ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-07-25 14:39:20	17616ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-07-10 10:18:46	17451ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-06-16 22:56:03	779ms	2 NS 3 A 5 MX	🔓 Insecure	View