gyldendalelearning.dk
Last scanned: 2026-06-24 13:57:32  ·  1454ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   165ms
NameserverIP addressesPTRASN / ISP
ns1-02.azure-dns.com 13.107.236.2
2603:1061:0:700::2		 ns1-02.azure-dns.com
ns1-02.azure-dns.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns2-02.azure-dns.net 150.171.21.2
2620:1ec:8ec:700::2		 ns2-02.azure-dns.net
ns2-02.azure-dns.net		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns3-02.azure-dns.org 204.14.183.2
2a01:111:4000:700::2		 ns3-02.azure-dns.org
ns3-02.azure-dns.org		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
ns4-02.azure-dns.info 208.84.5.2
2620:1ec:bda:700::2		 ns4-02.azure-dns.info
ns4-02.azure-dns.info		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
🌍 A Records1 records   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
20.50.2.3 3600s — AS8075 Microsoft Corporation 20.48.0.0/12 🇳🇱 The Netherlands Amsterdam
📧 MX Records
📧
No MX records found
📧 Autodiscover / Autoconfig
ServiceCNAME / IP
🔷 Autodiscovergyldendal.cursum.net → 20.50.2.3
🔶 Autoconfiggyldendal.cursum.net → 20.50.2.3
🔷 AAAA Records (IPv6)
✗ No AAAA records — IPv6 not configured
🔐 HTTPS Records
✗ No HTTPS RR — no SVCB/HTTPS service binding
📝 TXT Records2 records   381ms
TXT Record
_globalsign-domain-verification=hVuuf89Ylls43OxSie3Pck4uz21xJid5S8J24P8n7q
v=spf1 -all
✉️ SPF
PolicyRecord (gyldendalelearning.dk)
-all (hard fail) v=spf1 -all
📨 DMARC
PolicyRecord (_dmarc.gyldendalelearning.dk)
p=reject v=DMARC1; p=reject; rua=mailto:62de94a87c3dc@dmarc.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
🔏 ACME Challenge
TypeNameValue
CNAME _acme-challenge.gyldendalelearning.dk gyldendal.cursum.net
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC77ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated
🏷️ SOA66ms
FieldValue
Serial1
Primary NS (MNAME)ns1-02.azure-dns.com
Responsible (RNAME)azuredns-hostmaster@microsoft.com
Refresh3600s
Retry300s
Expire2419200s
Minimum (neg-cache TTL)300s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
165ms
A
39ms
MX
64ms
AAAA
69ms
TXT
381ms
CAA
49ms
HTTPS
63ms
TLSA
156ms
SOA
66ms
MTA-STS
200ms
DNSSEC
77ms
SRV
491ms
Total
1454ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-06-24 13:57:32 1454ms 4 NS 1 A 0 MX 🔒 Secure View
2026-06-17 10:18:09 2464ms 4 NS 1 A 0 MX 🔒 Secure View
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