blueit.dk

📜 Historical scan 2026-06-16 15:01:39 · ← 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. 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 143ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 188ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.195.172.36	—	blueit.dk	AS42686	—	—	—	—

📧 MX Records#

1 records 206ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	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

📝 TXT Records#

4 records 398ms

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#

357ms

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

🏷️ SOA#

151ms

Field	Value
Serial	2026052704
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#

143ms

188ms

206ms

AAAA

128ms

TXT

398ms

CAA

144ms

HTTPS

195ms

TLSA

128ms

SOA

151ms

MTA-STS

167ms

DNSSEC

357ms

SRV

0ms

Total

1547ms

🕐 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	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 shown	1547ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:00:04	1918ms	2 NS 1 A 1 MX	🔒 Secure