nac.dk DNS records

🖥️ Nameservers2 records 61ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
34.246.47.18	600s	ec2-34-246-47-18.eu-west-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	34.240.0.0/12	🇮🇪 Ireland	Dublin

📧 MX Records2 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	eu-smtp-inbound-1.mimecast.com	195.130.217.201 195.130.217.201 195.130.217.211 195.130.217.211 195.130.217.241 195.130.217.241 91.220.42.201 91.220.42.201 91.220.42.211 91.220.42.211 91.220.42.241 91.220.42.241	eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com	AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited
10	600s	eu-smtp-inbound-2.mimecast.com	195.130.217.201 195.130.217.201 195.130.217.211 195.130.217.211 195.130.217.241 195.130.217.241 91.220.42.201 91.220.42.201 91.220.42.211 91.220.42.211 91.220.42.241 91.220.42.241	eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com	AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 87ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	10	5061	sipfed.online.lync.com

📝 TXT Records5 records 201ms

TXT Record
access-domain-verification=28ba3c2f5f85107d319f38f0e96019f0fc37f4bea348fe69ece59fdc929d62c4
apple-domain-verification=V3QMZVGQExSNisa0
docusign=c440aad2-6c39-4488-a130-b8c4d1095b44
MS=ms90964724
v=spf1 include:eu._netblocks.mimecast.com a mx include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (nac.dk)
-all (hard fail)	v=spf1 include:eu._netblocks.mimecast.com a mx include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.nac.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:Dmarc.agg@dubaiaerospace.com; ruf=mailto:Dmarc.agg@dubaiaerospace.com

📬 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)

🔐 DNSSEC103ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082701
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

61ms

A

47ms

MX

59ms

AAAA

51ms

TXT

201ms

CAA

54ms

HTTPS

59ms

TLSA

344ms

SOA

0ms

MTA-STS

71ms

DNSSEC

103ms

SRV

87ms

Total

1118ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:25:05	1118ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-08-20 20:44:47	1551ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-21 01:07:42	3858ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-07-15 02:53:16	9291ms	2 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 14:02:29	3383ms	2 NS 1 A 2 MX	🔓 Insecure	View