bluefish.dk

📜 Historical scan 2026-08-19 01:30:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

bluefish.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 185.17.52.50 is hosted by Dstny BE N.V. (AS8368) in Denmark. Mail is handled by bluefish-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 2049ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.17.52.50	16600s	exchange.bluefish.dk	AS8368	Dstny BE N.V.	185.17.52.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	bluefish-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca04::f 2a01:111:f403:ca09::5 2a01:111:f403:ca09::d 52.101.68.36 52.101.73.16 52.101.73.2 52.101.73.6	mail-db4pr02cu00406.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 2075ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	exchange.bluefish.dk

📝 TXT Records#

2 records 156ms

TXT Record
MS=ms23353665
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (bluefish.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 16:03:09

www CNAME	pro1.bluefish.dk (all on bluefish.dk) → 193.104.202.167 (AS50346)
www vs bare domain	Different networks bluefish.dk: 185.17.52.50 (AS8368) www.bluefish.dk: 193.104.202.167 (AS50346) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2073ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2026032402
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#

2049ms

43ms

33ms

AAAA

41ms

TXT

156ms

CAA

42ms

HTTPS

45ms

TLSA

208ms

SOA

47ms

MTA-STS

68ms

DNSSEC

2073ms

SRV

2075ms

Total

7144ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 13:43:50	1272ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 13:35:12	657ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 16:32:49	1348ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 01:30:00 shown	7144ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 00:04:56	992ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 03:51:22	2855ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:08:55	460ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:06:45	1981ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:05:20	1931ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 15:00:03	788ms	2 NS 1 A 1 MX	🔒 Secure