nto.dk DNS records

🖥️ Nameservers4 records 46ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 52ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.72	3600s	linux72.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nto-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::4 2a01:111:f403:ca09::7 2a01:111:f403:ca09::9 52.101.68.25 52.101.68.29 52.101.68.36 52.101.73.11	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am1pr04cu00103.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 61ms

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

📝 TXT Records4 records 166ms

TXT Record
atlassian-domain-verification=AKKVN4GQSShQKOuMH6sogmA06ThyaE29ZPyCul8zKsEMTct1gCepO2sG0NgIG9lQ
google-site-verification=br6F6bqK4FdkbQ15h0hIMkZrKqRPTh_BxUe8p3CwhoI
MS=ms13919109
v=spf1 include:spf.protection.outlook.com include:spf.ubivox.com include:spfrerouting.xink.io -all

✉️ SPF

Policy	Record (nto.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.ubivox.com include:spfrerouting.xink.io -all

📨 DMARC

Policy	Record (_dmarc.nto.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:69d5fe4f87507@dmarc-dk.centerasecurity.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)

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081100
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

46ms

A

52ms

MX

45ms

AAAA

37ms

TXT

166ms

CAA

50ms

HTTPS

58ms

TLSA

602ms

SOA

0ms

MTA-STS

51ms

DNSSEC

84ms

SRV

61ms

Total

1257ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 14:39:52	1257ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 16:26:18	5468ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 10:59:00	3618ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 22:20:00	1175ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 21:54:57	1193ms	4 NS 1 A 1 MX	🔒 Secure	View