carlbuch.dk DNS records

🖥️ Nameservers2 records 181ms

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 160ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.32.47.55	43200s	—	AS39642	Sinal A/S	46.32.32.0/19	🇩🇰 Denmark	Esbjerg

📧 MX Records1 records 176ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	carlbuch-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca04::e 2a01:111:f403:ca09::6 52.101.68.27 52.101.68.5 52.101.68.8 52.101.73.15	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 340ms

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

📝 TXT Records2 records 554ms

TXT Record
MS=ms66151476
v=spf1 ip4:46.32.47.55 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (carlbuch.dk)
-all (hard fail)	v=spf1 ip4:46.32.47.55 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.carlbuch.dk)
p=reject	v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=r

📬 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)

🔐 DNSSEC495ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
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

181ms

A

160ms

MX

176ms

AAAA

191ms

TXT

554ms

CAA

217ms

HTTPS

239ms

TLSA

494ms

SOA

0ms

MTA-STS

456ms

DNSSEC

495ms

SRV

340ms

Total

3114ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-11 15:46:51	3114ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 23:30:41	5512ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 01:26:37	1327ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 06:03:11	2230ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 15:15:47	775ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-01 12:47:58	1088ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 23:25:26	1089ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 19:29:12	63702ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 19:25:46	656ms	2 NS 1 A 1 MX	🔒 Secure	View