nachschule.dk DNS records

🖥️ Nameservers4 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records1 records 56ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.212	43200s	linux311.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 66ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	nachschule-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::2 2a01:111:f403:ca04::8 2a01:111:f403:ca09::24 52.101.68.18 52.101.73.11 52.101.73.123 52.101.73.24	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am6pr02cu00203.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.56
🔶 Autoconfig	93.191.156.212

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 118ms

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

📝 TXT Records3 records 302ms

TXT Record
canva-site-verification=hVMIafHoCSY976X5GEaoug
MS=ms34108942
v=spf1 include:spf.protection.outlook.com include:spf.simply.com -all

✉️ SPF

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

🔗 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	2026062613
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

56ms

MX

66ms

AAAA

65ms

TXT

302ms

CAA

44ms

HTTPS

81ms

TLSA

733ms

SOA

0ms

MTA-STS

102ms

DNSSEC

84ms

SRV

118ms

Total

1529ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:22:08	1529ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 13:31:55	2010ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-23 11:54:48	4455ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 10:03:09	2335ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 10:47:38	1147ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 06:29:34	4264ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 17:52:10	5467ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 13:49:17	1030ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 16:54:27	923ms	4 NS 1 A 1 MX	🔒 Secure	View