impc.dk DNS records

🖥️ Nameservers2 records 50ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.135	3600s	linux24.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	impc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::7 2a01:111:f403:ca09::28 2a01:111:f403:ca38::8 52.101.181.153 52.101.68.12 52.101.68.27 52.101.73.15	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00503.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 113ms

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

📝 TXT Records3 records 241ms

TXT Record
p5gepoqpjjo7t30d71fcre215f
tpn48b0lkiirdcg3jbrs4fmtp
v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all

✉️ SPF

Policy	Record (impc.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk -all

📨 DMARC

Policy	Record (_dmarc.impc.dk)
p=reject	v=DMARC1; p=reject

📬 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)

🔐 DNSSEC144ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080101
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

50ms

A

34ms

MX

60ms

AAAA

61ms

TXT

241ms

CAA

56ms

HTTPS

73ms

TLSA

637ms

SOA

0ms

MTA-STS

98ms

DNSSEC

144ms

SRV

113ms

Total

1494ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 19:33:09	1494ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-25 18:13:53	1072ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-05 23:32:57	2114ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-05 21:22:26	9305ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 04:13:20	1777ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 10:41:17	1497ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 14:26:34	1344ms	2 NS 1 A 1 MX	🔒 Secure	View