backs.dk DNS records

🖥️ Nameservers2 records 20ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
90.184.223.43	43200s	x5ab8df2b.customers.hiper-net.dk	AS203953	Hiper A/S	90.184.0.0/15	🇩🇰 Denmark	Køge

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	backs-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::7 2a01:111:f403:ca09:: 2a01:111:f403:ca09::2 52.101.68.16 52.101.68.29 52.101.68.36 52.101.73.16	mail-dbapr03cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as2pr05cu00100.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

📝 TXT Records2 records 149ms

TXT Record
MS=ms39137191
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (backs.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)

🔐 DNSSEC2054ms

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

🏷️ SOA27ms

Field	Value
Serial	2026071701
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

20ms

A

31ms

MX

31ms

AAAA

31ms

TXT

149ms

CAA

29ms

HTTPS

31ms

TLSA

740ms

SOA

27ms

MTA-STS

46ms

DNSSEC

2054ms

SRV

68ms

Total

7559ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:48:47	1403ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 22:17:41	1024ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 06:19:28	1492ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 20:56:27	7559ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 22:01:17	1140ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 02:30:31	1666ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 20:04:43	954ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:59:26	704ms	2 NS 1 A 1 MX	🔒 Secure	View