isolerings-gruppen.dk DNS records

🖥️ Nameservers2 records 54ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.214.218.158	43200s	158.218.214.35.bc.googleusercontent.com	AS43515	Google Ireland Limited	35.214.128.0/17	🇳🇱 The Netherlands	Groningen

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	isoleringsgruppen-dk02e.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::7 2a01:111:f403:ca09::1 2a01:111:f403:ca09::9 52.101.181.153 52.101.73.145 52.101.73.15 52.101.73.155	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 71ms

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

📝 TXT Records2 records 180ms

TXT Record
MS=ms48895318
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (isolerings-gruppen.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)

🔐 DNSSEC83ms

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

54ms

A

39ms

MX

45ms

AAAA

25ms

TXT

180ms

CAA

40ms

HTTPS

51ms

TLSA

248ms

SOA

0ms

MTA-STS

64ms

DNSSEC

83ms

SRV

71ms

Total

986ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 11:28:41	986ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 02:07:42	6310ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 08:06:02	5830ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 18:47:16	3352ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 08:57:25	761ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 07:20:25	1032ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-23 17:06:39	1122ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:06:46	1611ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 17:43:55	991ms	2 NS 1 A 1 MX	🔒 Secure	View