blueit.dk

📜 Historical scan 2026-09-12 17:17:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

blueit.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.195.172.36 is hosted by Blue IT Aps (AS42686) in Denmark. Mail is handled by mx3.blueit.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 120ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 110ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.195.172.36	43200s	blueit.dk	AS42686	Blue IT Aps	185.195.172.0/22	🇩🇰 Denmark	Vadum

📧 MX Records#

1 records 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	28800s	mx3.blueit.dk	185.195.172.25	mx3.blueit.dk	AS42686 Blue IT Aps

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 140ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

4 records 295ms

TXT Record
google-site-verification=Vlh9szoi4kJCkCuj2sRM6yxiXF51-Mepctt1IBh0EPY
google-site-verification=WXkWskkth700ID1y8OVr51AW0nIOwpZv5kxYKn6bCv4
MS=ms59669693
v=spf1 mx mx:blueit.dk -all

✉️ SPF#

Policy	Record (blueit.dk)
-all (hard fail)	v=spf1 mx mx:blueit.dk -all

📨 DMARC#

Policy	Record (_dmarc.blueit.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:postmaster@blueit.dk; ruf=mailto:authfail@blueit.dk

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-01 07:39:08

www CNAME	blueit.dk (all on blueit.dk)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

249ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026091002
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

120ms

110ms

79ms

AAAA

139ms

TXT

295ms

CAA

98ms

HTTPS

100ms

TLSA

235ms

SOA

0ms

MTA-STS

74ms

DNSSEC

249ms

SRV

140ms

Total

1092ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 07:39:08	521ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 01:15:55	545ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 17:17:47 shown	1092ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-21 14:01:55	4594ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-04 22:44:31	2325ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-03 13:27:54	1185ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 06:15:16	725ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 17:10:49	8654ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 15:31:46	533ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 11:57:24	872ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:04:58	476ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:04:08	1998ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:01:39	1547ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:00:04	1918ms	2 NS 1 A 1 MX	🔒 Secure