nielcoit.dk DNS records

🖥️ Nameservers4 records 37ms

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 37ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.48	600s	linux62.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records2 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	nielcoit-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::d 2a01:111:f403:ca09::24 2a01:111:f403:ca09::d 52.101.103.137 52.101.68.5 52.101.73.155 52.101.73.26	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-as9pr05cu01302.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
10	600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 52.98.149.152
🔶 Autoconfig	94.231.103.48

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 57ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	10	1	5061	sipfed.online.lync.com

📝 TXT Records4 records 143ms

TXT Record
GDMSOiG
google-site-verification=tTPpKpAa44q6fUbAyUVCc82AuYYkpOYe6dLpRJRIJ9s
MS=ms17984876
v=spf1 a mx include:spf.protection.outlook.com include:backup.nielcoit.dk include:spf.simply.com ip4:94.231.109.96 ip4:86.58.194.20 -all

✉️ SPF

Policy	Record (nielcoit.dk)
-all (hard fail)	v=spf1 a mx include:spf.protection.outlook.com include:backup.nielcoit.dk include:spf.simply.com ip4:94.231.109.96 ip4:86.58.194.20 -all

📨 DMARC

Policy	Record (_dmarc.nielcoit.dk)
p=reject	v=DMARC1; p=reject; pct=100; ruf=mailto:john@nielcoit.dk; fo=1

📬 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 / DANE2 records 313ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC69ms

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

🏷️ SOA0ms

Field	Value
Serial	2026060900
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

37ms

A

37ms

MX

35ms

AAAA

34ms

TXT

143ms

CAA

34ms

HTTPS

41ms

TLSA

313ms

SOA

0ms

MTA-STS

44ms

DNSSEC

69ms

SRV

57ms

Total

913ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 13:05:25	913ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-08-28 01:40:37	1431ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 00:34:23	1025ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 13:01:04	1658ms	4 NS 1 A 2 MX	🔒 Secure	View