nu3.dk DNS records

🖥️ Nameservers3 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.second-ns.com	213.239.204.242 2a01:4f8:0:a101::b:1	ns.second-ns.com ns.second-ns.com	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns1.your-server.de	213.133.100.102 2a01:4f8:0:1::5ddc:1	ns1.your-server.de ns1.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.second-ns.de	193.47.99.4 2001:67c:192c::add:b3	ns3.second-ns.de ns3.second-ns.de	AS12337 noris network AG AS12337 noris network AG

🌍 A Records2 records 84ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.223.67.137	7200s	—	AS50198	SHOP APOTHEKE SERVICE GmbH	185.223.66.0/23	🇩🇪 Germany	—
185.223.67.138	7200s	—	AS50198	SHOP APOTHEKE SERVICE GmbH	185.223.66.0/23	🇩🇪 Germany	—

📧 MX Records1 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	7200s	nu3-dk.mail.protection.outlook.com	2a01:111:f403:ca09::3 2a01:111:f403:ca38::8 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::a 52.101.103.140 52.101.103.143 52.101.103.39 52.101.73.145	mail-am6pr04cu00303.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-am6pr02cu00301.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

📝 TXT Records1 records 312ms

TXT Record
v=spf1 ip4:212.91.255.152/29 ip4:79.140.126.88/29 include:spf.protection.outlook.com include:shops.shopify.com include:amazonses.com a:mail.fp-sign.com +a +mx ~all

✉️ SPF

Policy	Record (nu3.dk)
~all (soft fail)	v=spf1 ip4:212.91.255.152/29 ip4:79.140.126.88/29 include:spf.protection.outlook.com include:shops.shopify.com include:amazonses.com a:mail.fp-sign.com +a +mx ~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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.nu3.dk	__qpA_Ic27GVIp7TQ9O1HZ6DDTtWLKg-hwK85cNALug

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC98ms

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

🏷️ SOA0ms

Field	Value
Serial	2026071101
Primary NS (MNAME)	ns1.your-server.de.nu3.dk
Responsible (RNAME)	postmaster@your-server.de.nu3.dk
Refresh	86400s
Retry	10800s
Expire	3600000s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

84ms

MX

65ms

AAAA

83ms

TXT

312ms

CAA

85ms

HTTPS

67ms

TLSA

366ms

SOA

0ms

MTA-STS

59ms

DNSSEC

98ms

SRV

89ms

Total

1051ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 05:52:17	1051ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-07-13 23:39:04	1810ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 11:17:38	782ms	3 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 08:06:52	1228ms	3 NS 2 A 1 MX	🔓 Insecure	View