tb-group.dk DNS records

🖥️ Nameservers2 records 87ms

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 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.191	3600s	webforward.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 95ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tbgroup-dk0e.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 52.101.68.15 52.101.68.25 52.101.68.39 52.101.73.6	mail-du2pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 52.98.154.152
🔶 Autoconfig	46.30.215.185

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 229ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 304ms

TXT Record
MS=ms38484437
upsales-customer-domain-verification=e4b8f6cd7f7b532aec07e126133ca604
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.tb-group.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:hannes.jonsson@tb-group.se; ruf=mailto:hannes.jonsson@tb-group.se

📬 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)

🔐 DNSSEC218ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082001
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

87ms

A

76ms

MX

95ms

AAAA

67ms

TXT

304ms

CAA

88ms

HTTPS

98ms

TLSA

172ms

SOA

0ms

MTA-STS

117ms

DNSSEC

218ms

SRV

229ms

Total

2009ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 23:06:42	2009ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 01:21:37	16921ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 15:40:30	3209ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:25:46	1147ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 23:33:42	3617ms	2 NS 1 A 1 MX	🔒 Secure	View