blu.dk DNS records

🖥️ Nameservers2 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
opal.ns.cloudflare.com	108.162.194.100 162.159.38.100 172.64.34.100 2606:4700:50::a29f:2664 2803:f800:50::6ca2:c264 2a06:98c1:50::ac40:2264	opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com opal.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
watson.ns.cloudflare.com	108.162.195.23 162.159.44.23 172.64.35.23 2606:4700:58::a29f:2c17 2803:f800:50::6ca2:c317 2a06:98c1:50::ac40:2317	watson.ns.cloudflare.com watson.ns.cloudflare.com watson.ns.cloudflare.com watson.ns.cloudflare.com watson.ns.cloudflare.com watson.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
209.250.251.11	3600s	bludk.tempurl.host	AS20473	The Constant Company, LLC	209.250.224.0/19	🇳🇱 The Netherlands	Amsterdam

📧 MX Records2 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mxa-001e4201.gslb.pphosted.com	91.207.212.139	mx08-001e4201.pphosted.com	AS52129 Proofpoint, Inc.
10	3600s	mxb-001e4201.gslb.pphosted.com	185.132.182.150	mx07-001e4201.pphosted.com	AS52129 Proofpoint, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 158ms

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

📝 TXT Records14 records 232ms

TXT Record
adobe-idp-site-verification=46503cd5-f9fd-43c4-827a-e02b7b9719d0
apple-domain-verification=KUFFsITJ4xotIvE4
cisco-ci-domain-verification=5e1b7787109dd8d3d754ae4c7c7c1b1115d24dfbfde2e0d2da5d9173a7499b76
cZ2bso5XczCCnRTSXv7oMPOLEJAsToFTVgt8lf2dAKwEymoy8pzNEcy1kVU0kQ+LfqkuwdQt35yXw4QigAwopw==
docusign=ce831b3b-3d2a-4b02-862a-5d5c9724f34f
elevenlabs=JJXkwk0gqOZqtmDWbKL0cEkTDyrylW8XxMsoWBJTyAM
google-gws-recovery-domain-verification=65731984
google-site-verification=rLxn-Or6rqA1_zjMwm7Ilat6c_esUJ3Q7fFy2T3fQns
knowbe4-site-verification=38dbaf2e21e369029101cf35fb5be340
MS=ms14343046
openai-domain-verification=dv-BQgUr834pKI1vMh4n3qYmZeg
perplexity-ai-domain-verification-33k62v=7BLjQwM3bYLpgTp0FMPWBe3vp
teamtailor=8b575051b479920a20c4c4ce64d062c7
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all

✉️ SPF

Policy	Record (blu.dk)
~all (soft fail)	v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all

📨 DMARC

Policy	Record (_dmarc.blu.dk)
p=reject	v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC127ms

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	2411842697
Primary NS (MNAME)	opal.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

66ms

A

91ms

MX

58ms

AAAA

59ms

TXT

232ms

CAA

96ms

HTTPS

99ms

TLSA

656ms

SOA

0ms

MTA-STS

97ms

DNSSEC

127ms

SRV

158ms

Total

1840ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 02:34:30	1840ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-18 04:26:58	10674ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-03 03:08:39	1662ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-28 03:08:34	1449ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-21 19:34:43	1477ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-16 15:15:23	5140ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-16 15:08:08	1970ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-16 15:04:06	998ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-16 15:00:30	2743ms	2 NS 1 A 2 MX	🔓 Insecure	View