eslforbund.dk

Records from scan: 2026-10-06 04:11:51 · 2227ms total · last checked 2026-10-16 13:52 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

eslforbund.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 6 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.135 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by eslforbund-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 129ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 120ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.135	3600s	linux24.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 89ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	eslforbund-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::a 2a01:111:f403:ca09::24 2a01:111:f403:ca48::c 52.101.103.140 52.101.185.114 52.101.68.27 52.101.73.145	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.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 → 52.98.149.152
🔶 Autoconfig	185.21.41.135

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 143ms

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

📝 TXT Records#

1 records 336ms

TXT Record
v=spf1 include:spf.onlinemail.io include:spf.protection.outlook.com ip4:185.21.41.135 -all

✉️ SPF#

Policy	Record (eslforbund.dk)
-all (hard fail)	v=spf1 include:spf.onlinemail.io include:spf.protection.outlook.com ip4:185.21.41.135 -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

🧩 Web & zone#

checked 2026-10-09 05:13:11

www	185.21.41.135 (AS48854) (address records, no CNAME)
www vs bare domain	Same network eslforbund.dk: 185.21.41.135 (AS48854) www.eslforbund.dk: 185.21.41.135 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-eslforbund-dk._domainkey.eslforbund.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

223ms

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

🏷️ SOA#

69ms

Field	Value
Serial	2026100501
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-06 04:38:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-01-06
Expires	2027-01-05 (80d)

📋 WHOIS#

⏱️ Lookup Timing#

129ms

120ms

89ms

AAAA

107ms

TXT

336ms

CAA

92ms

HTTPS

77ms

TLSA

852ms

SOA

69ms

MTA-STS

158ms

DNSSEC

223ms

SRV

143ms

Total

2227ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 04:11:51 shown	2227ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 16:22:56	2223ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 08:25:08	470ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 08:25:02	765ms	2 NS 1 A 1 MX	🔒 Secure