bluecollar.dk DNS records

🖥️ Nameservers2 records 58ms

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 Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
116.202.193.56	600s	vip01.azehosting.net	AS24940	Hetzner Online GmbH	116.202.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	bluecollar-dk.mail.protection.outlook.com	52.101.103.137 52.101.209.153 52.101.68.5 52.101.73.24	mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com	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 Records1 records 76ms

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

📝 TXT Records2 records 184ms

TXT Record
MS=ms15236919
v=spf1 ip4:82.192.164.2 ip4:83.151.144.20 ip4:23.83.212.19 ip4:185.221.37.133 ip4:49.12.83.45 ip4:162.55.4.188 include:spf.protection.outlook.com include:spf.azehosting.net include:spf.recman.no -all

✉️ SPF

Policy	Record (bluecollar.dk)
-all (hard fail)	v=spf1 ip4:82.192.164.2 ip4:83.151.144.20 ip4:23.83.212.19 ip4:185.221.37.133 ip4:49.12.83.45 ip4:162.55.4.188 include:spf.protection.outlook.com include:spf.azehosting.net include:spf.recman.no -all

📨 DMARC

Policy	Record (_dmarc.bluecollar.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

📬 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)

🔐 DNSSEC103ms

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

🏷️ SOA0ms

Field	Value
Serial	2026032401
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

46ms

MX

55ms

AAAA

52ms

TXT

184ms

CAA

70ms

HTTPS

39ms

TLSA

404ms

SOA

0ms

MTA-STS

79ms

DNSSEC

103ms

SRV

76ms

Total

1190ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 12:04:47	1190ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 06:14:04	1144ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 21:25:05	916ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 15:10:55	586ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 15:06:48	2283ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-16 15:01:11	2670ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 15:00:24	626ms	2 NS 1 A 1 MX	🔒 Secure	View