bluetree.dk DNS records

🖥️ Nameservers5 records 82ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gigahost.dk	46.183.139.31	ns1.gigahost.dk	AS47292 Sentia Denmark A/S
ns2.gigahost.dk	46.183.139.222	web22.gigahost.dk	AS47292 Sentia Denmark A/S
ns3.gigahost.dk	71.19.249.71	ns3.gigahost.dk	AS11831 eSecureData
ns4.gigahost.dk	51.79.215.130	ns4.gigahost.dk	AS16276 OVH SAS
ns5.gigahost.dk	77.74.192.83	ns5.gigahost.dk	AS42831 UK Dedicated Servers Limited

🌍 A Records1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.183.138.100	3600s	—	AS47292	Sentia Denmark A/S	46.183.138.0/23	🇩🇰 Denmark	—

📧 MX Records3 records 77ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.gigahost.dk	46.183.139.11	mx1.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx2.gigahost.dk	46.183.139.12	mx2.gigahost.dk	AS47292 Sentia Denmark A/S
10	3600s	mx3.gigahost.dk	46.183.139.13	mx3.gigahost.dk	AS47292 Sentia Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	bluetree.dk → 46.183.138.100
🔶 Autoconfig	bluetree.dk → 46.183.138.100

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 258ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	autodiscover.gigahost.dk

📝 TXT Records2 records 197ms

TXT Record
spf2.0/pra
v=spf1 mx include:spf.gigahost.dk -all

✉️ SPF

Policy	Record (bluetree.dk)
-all (hard fail)	v=spf1 mx include:spf.gigahost.dk -all

📨 DMARC

Policy	Record (_dmarc.bluetree.dk)
p=reject	v=DMARC1; p=reject;

📬 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.bluetree.dk	bluetree.dk

🔗 TLSA / DANE

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

🔐 DNSSEC233ms

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	2026090301
Primary NS (MNAME)	ns1.gigahost.dk
Responsible (RNAME)	hostmaster@bluetree.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

82ms

A

74ms

MX

77ms

AAAA

47ms

TXT

197ms

CAA

66ms

HTTPS

83ms

TLSA

91ms

SOA

0ms

MTA-STS

220ms

DNSSEC

233ms

SRV

258ms

Total

1069ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 12:50:37	1069ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 22:44:46	872ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-20 10:23:57	17183ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-13 14:57:41	4532ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-08 03:53:28	999ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-30 05:24:16	13833ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-23 04:17:48	1179ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-16 12:26:49	1038ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-09 03:57:13	1184ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-03 11:13:13	1094ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-25 21:21:47	4454ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-23 08:03:50	1156ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 21:20:04	2650ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-06-21 13:13:54	1159ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 06:29:22	1886ms	5 NS 1 A 3 MX	⚠️ Bogus	View
2026-06-16 15:21:31	1819ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 15:09:21	432ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 15:08:15	3080ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-06-16 15:00:52	1080ms	5 NS 1 A 3 MX	🔓 Insecure	View