onebackup.dk

📜 Historical scan 2026-06-19 07:14:56 · ← Latest scan

onebackup.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). Its website address 95.209.151.133 is hosted by Hi3G Access AB (AS44034) in Denmark. Mail is handled by onebackup-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers

2 records 918ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records

1 records 980ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
95.209.151.133	3600s	95.209.151.133.bredband.3.dk	AS44034	Hi3G Access AB	95.209.0.0/16	🇩🇰 Denmark	—

📧 MX Records

1 records 939ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	onebackup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca09::1 52.101.68.16 52.101.73.19 52.101.73.28 52.101.73.6	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com mail-am6pr04cu00306.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 → 40.98.16.91

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records

1 records 269ms

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

📝 TXT Records

1 records 1202ms

TXT Record
v=spf1 ip4:95.209.151.133 ip4:185.21.42.20 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (onebackup.dk)
-all (hard fail)	v=spf1 ip4:95.209.151.133 ip4:185.21.42.20 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.onebackup.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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

🧩 Web & zone

latest probe, not this scan · checked 2026-09-29 14:44:22

www	NXDOMAIN
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE

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

🔐 DNSSEC

1133ms

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

🏷️ SOA

1005ms

Field	Value
Serial	2026050102
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

918ms

980ms

939ms

AAAA

944ms

TXT

1202ms

CAA

967ms

HTTPS

937ms

TLSA

544ms

SOA

1005ms

MTA-STS

148ms

DNSSEC

1133ms

SRV

269ms

Total

9645ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-29 14:44:22	1214ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-25 13:11:59	975ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-06 19:26:27	1819ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-19 12:35:49	1065ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 07:14:56 shown	9645ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:31:18	2948ms	2 NS 1 A 1 MX	🔒 Secure