sharpen.dk DNS records

🖥️ Nameservers2 records 55ms

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 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.9	3600s	webcluster1.webpod15-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sharpen-dk.mail.protection.outlook.com	2a01:111:f403:ca09::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 2a01:111:f403:ca09::4 52.101.68.10 52.101.68.3 52.101.73.1 52.101.73.12	mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am4pr0401cu00104.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 → 52.98.149.136

🔷 AAAA Records (IPv6)1 records 58ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10e:4d:26c0:f72f:6149	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

📝 TXT Records2 records 191ms

TXT Record
MS=ms51427069
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF

Policy	Record (sharpen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.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)

🔐 DNSSEC93ms

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

55ms

A

52ms

MX

59ms

AAAA

58ms

TXT

191ms

CAA

74ms

HTTPS

51ms

TLSA

314ms

SOA

0ms

MTA-STS

71ms

DNSSEC

93ms

SRV

244ms

Total

1089ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:29:04	1089ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 10:51:49	1953ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 06:04:27	2218ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 19:50:10	1085ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 23:35:01	1263ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 11:42:24	1165ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 10:01:59	679ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 21:20:57	1343ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 06:31:32	959ms	2 NS 1 A 1 MX	🔒 Secure	View