perform.dk

📜 Historical scan 2026-06-25 22:00:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

perform.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 16 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.31.16.91 is hosted by Itm8 A/S (AS43088) in Denmark. Mail is handled by perform-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 234ms

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 347ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.31.16.91	3600s	—	AS43088	Itm8 A/S	46.31.16.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 251ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	perform-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::4 2a01:111:f403:ca04::9 2a01:111:f403:ca04::c 52.101.68.0 52.101.68.16 52.101.73.24 52.101.73.28	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 694ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.perform.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:quarantine@perform.dk; pct=100; fo=1

📬 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 13:37:14

www	46.31.16.91 (AS43088) (address records, no CNAME)
www vs bare domain	Same network perform.dk: 46.31.16.91 (AS43088) www.perform.dk: 46.31.16.91 (AS43088)
Wildcard	No
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#

2 found

Selector	CNAME	Key
selector1	selector1-perform-dk._domainkey.jualas.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-perform-dk._domainkey.jualas.onmicrosoft.com	RSA · ~1024 bit below 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

483ms

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

🏷️ SOA#

295ms

Field	Value
Serial	2026031606
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 2026-10-10 18:09:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-04-16
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

234ms

347ms

251ms

AAAA

314ms

TXT

694ms

CAA

336ms

HTTPS

220ms

TLSA

1318ms

SOA

295ms

MTA-STS

241ms

DNSSEC

483ms

SRV

509ms

Total

2686ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:37:14	941ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 21:51:26	557ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 08:57:32	1094ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 08:54:27	647ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-28 13:19:36	1573ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 22:00:37 shown	2686ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 10:45:18	1175ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 16:03:23	3702ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 14:29:36	1197ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 15:29:06	776ms	2 NS 1 A 1 MX	🔒 Secure