nilssonborresen.dk DNS records

🖥️ Nameservers2 records 334ms

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 344ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.125	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 441ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nilssonborresen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 52.101.68.32 52.101.68.39 52.101.73.24 52.101.73.28	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.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
🔶 Autoconfig	46.30.215.125

🔷 AAAA Records (IPv6)1 records 323ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:80e9:8547:c9bd:bd92	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 469ms

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

📝 TXT Records4 records 806ms

TXT Record
ca3-051b8e1476044b1592e4356dee4283fd
ca3-b8326b4c359b4378acf46687f6ba2207
MS=ms28007980
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:162.159.134.42 -all

✉️ SPF

Policy	Record (nilssonborresen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:relay.kinstamailservice.com include:relay.mailchannels.net ip4:162.159.134.42 -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)

🔐 DNSSEC545ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081905
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

334ms

A

344ms

MX

441ms

AAAA

323ms

TXT

806ms

CAA

306ms

HTTPS

353ms

TLSA

321ms

SOA

0ms

MTA-STS

460ms

DNSSEC

545ms

SRV

469ms

Total

6431ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 04:08:37	6431ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 09:33:00	1580ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 09:42:56	970ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 13:57:45	960ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:33:53	1130ms	2 NS 1 A 1 MX	🔒 Secure	View