attender.dk

Records from scan: 2026-09-24 14:04:58 · 1060ms total · last checked 2026-10-17 03:39 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

attender.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 30 April 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.28 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by attender-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 33ms

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 27ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.28	3600s	vm1350.enterprisecloud.nu	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	attender-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca04::f 2a01:111:f403:ca21::e 2a01:111:f403:ca48::e 52.101.185.24 52.101.209.153 52.101.68.12 52.101.68.39	mail-db8pr02cu00106.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00607.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 → 52.98.149.136
🔶 Autoconfig	185.21.41.28

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 128ms

TXT Record
brevo-code:b544ab06301613a4effab06811a53bc9
MS=ms38150986
MS=ms83645757
v=spf1 include:spf.eu.signature365.net include:spf.protection.outlook.com include:spf.sendinblue.com mx -all

✉️ SPF#

Policy	Record (attender.dk)
-all (hard fail)	v=spf1 include:spf.eu.signature365.net include:spf.protection.outlook.com include:spf.sendinblue.com mx -all

📨 DMARC#

Policy	Record (_dmarc.attender.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.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#

checked 2026-10-08 17:23:19

www	185.21.41.28 (AS48854) (address records, no CNAME)
www vs bare domain	Same network attender.dk: 185.21.41.28 (AS48854) www.attender.dk: 185.21.41.28 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.attender.dk	m4ead3X7JY_GRN4DNfIbNBBC8zN0av3ub3Qz1-RDYjY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

73ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091701
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 2026-10-05 15:56:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-04-30
Expires	2027-04-30 (195d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

27ms

29ms

AAAA

31ms

TXT

128ms

CAA

29ms

HTTPS

28ms

TLSA

604ms

SOA

0ms

MTA-STS

60ms

DNSSEC

73ms

SRV

48ms

Total

1060ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 14:04:58 shown	1060ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-21 08:28:38	885ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-19 03:29:22	775ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 00:09:36	975ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:44:51	1023ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:56:16	2921ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:48:27	636ms	2 NS 1 A 1 MX	🔒 Secure