gyldendalelearning.dk

📜 Historical scan 2026-06-24 13:57:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gyldendalelearning.dk is a .dk domain served by 4 nameservers (ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org and 1 more). It was registered on 26 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.50.2.3 is hosted by Microsoft Corporation (AS8075) in The Netherlands. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 165ms

Nameserver	IP addresses	PTR	ASN / 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 Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.2.3	3600s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	gyldendal.cursum.net → 20.50.2.3
🔶 Autoconfig	gyldendal.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 Records#

2 records 381ms

TXT Record
_globalsign-domain-verification=hVuuf89Ylls43OxSie3Pck4uz21xJid5S8J24P8n7q
v=spf1 -all

✉️ SPF#

Policy	Record (gyldendalelearning.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 11:45:27

www CNAME	gyldendal.cursum.net (all on cursum.net) → 20.50.2.3 (AS8075)
www vs bare domain	Same network gyldendalelearning.dk: 20.50.2.3 (AS8075) www.gyldendalelearning.dk: 20.50.2.3 (AS8075)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.gyldendalelearning.dk	gyldendal.cursum.net

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

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

🏷️ SOA#

66ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1-02.azure-dns.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 02:34:28

Field	Value
Registrar	WEB SOLUTIONS A/S
Registered	2025-02-26
Expires	2027-02-25 (127d)

📋 WHOIS#

⏱️ Lookup Timing#

165ms

39ms

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 At	Duration	Records	DNSSEC
2026-10-09 11:45:27	1237ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-24 13:57:32 shown	1454ms	4 NS 1 A 0 MX	🔒 Secure
2026-06-17 10:18:09	2464ms	4 NS 1 A 0 MX	🔒 Secure