3business.dk DNS records

🖥️ Nameservers5 records 80ms

Nameserver	IP addresses	PTR	ASN / ISP
nordic1.dnsnode.net	194.58.192.32 2a01:3f1:32::53	nordic1.dnsnode.net nordic1.dnsnode.net	AS8674 Netnod AB AS8674 Netnod AB
ns.hi3gaccess.se	2a02:aa0::53 80.251.192.244	ns.hi3gaccess.se ns.hi3gaccess.se	AS44034 Hi3G Access AB AS44034 Hi3G Access AB
ns2.hi3gaccess.se	2a02:aa0::54 80.251.192.245	ns2.hi3gaccess.se ns2.hi3gaccess.se	AS44034 Hi3G Access AB AS44034 Hi3G Access AB
nsp.dnsnode.net	194.58.198.32 2a01:3f1:3032::53	nsp.dnsnode.net nsp.dnsnode.net	AS56908 Netnod AB AS56908 Netnod AB
nsu.dnsnode.net	185.42.137.98 2a01:3f0:400::32	nsu.dnsnode.net nsu.dnsnode.net	AS8674 Netnod AB AS8674 Netnod AB

🌍 A Records1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.251.200.7	3600s	—	AS44034	Hi3G Access AB	80.251.192.0/20	🇸🇪 Sweden	—

📧 MX Records3 records 97ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	3business-dk.mail.protection.outlook.com	52.101.103.140 52.101.68.32 52.101.73.145 52.101.73.8	mail-miypr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation
10	3600s	mail.tre.se	—	—	—
15	3600s	secondary.tre.se	80.251.192.98	secondary.hi3gaccess.se	AS44034 Hi3G Access AB

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)1 records 71ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:7720:3:2::13	3600s	—	AS8434	Telenor Sverige AB	2a02:7720:0:0:0:0:0:0/32	🇸🇪 Sweden	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records5 records 352ms

TXT Record
_globalsign-domain-verification=fdQFOvzC18tPLrrLuMRUAXmA4exUv5foCVCIjcsCqp
_globalsign-domain-verification=i-cgt6eCzK7TFPz6U9UAjrJIXyAXrLjmlyGcMxlKzZ
_globalsign-domain-verification=vqVByfL9tCv1VPhjGOps4LnjXMk9_sCakpyAk8hr6E
MS=ms73340201
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (3business.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

🔗 TLSA / DANE

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

🔐 DNSSEC201ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082900
Primary NS (MNAME)	ns.hi3gaccess.se
Responsible (RNAME)	hostmaster@tre.se
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-07-18 21:17:35

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2003-09-03
Expires	2027-09-30 (393d)

📋 WHOIS

⏱️ Lookup Timing

NS

80ms

A

74ms

MX

97ms

AAAA

71ms

TXT

352ms

CAA

124ms

HTTPS

101ms

TLSA

810ms

SOA

0ms

MTA-STS

139ms

DNSSEC

201ms

SRV

140ms

Total

2223ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 20:38:25	2223ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-28 13:05:59	3291ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-27 12:20:21	1365ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-25 22:05:09	951ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-24 17:24:33	2860ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-23 17:14:03	4600ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-22 11:51:06	1905ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-19 08:02:50	6787ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-18 07:54:23	3326ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-16 01:55:11	4933ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-15 12:06:25	1897ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-14 01:54:23	3446ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-12 16:23:59	6047ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-07 00:45:04	1586ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-08-03 20:25:25	2421ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-26 09:28:26	1793ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-25 09:19:20	25064ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-07-22 05:24:34	11128ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-07-21 04:05:48	2013ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-18 21:16:37	17271ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-07-17 10:14:32	1652ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-14 13:26:18	10727ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-07-13 12:15:22	4058ms	5 NS 1 A 3 MX	🔓 Insecure	View
2026-07-12 04:08:07	2236ms	5 NS 1 A 3 MX	❓ Unknown	View
2026-07-08 18:06:43	4092ms	5 NS 1 A 3 MX	🔓 Insecure	View