acal.dk DNS records

🖥️ Nameservers3 records 138ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.acalbfi.com	213.193.149.138	—	AS3257 GTT Communications Inc.
dns2.acalbfi.com	155.138.222.53 2001:19f0:5401:e65:5400:3ff:fe42:fa49	dns2.acalbfi.com dns2.acalbfi.com	AS20473 The Constant Company, LLC AS20473 The Constant Company, LLC
dns3.acalbfi.com	206.189.90.43 2400:6180:0:d0::14a4:d001	dns3.acalbfi.com dns3.acalbfi.com	AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC

🌍 A Records

🌍

No A records found

📧 MX Records2 records 139ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	eu-smtp-inbound-1.mimecast.com	195.130.217.201 195.130.217.201 195.130.217.211 195.130.217.211 195.130.217.241 195.130.217.241 91.220.42.201 91.220.42.201 91.220.42.211 91.220.42.211 91.220.42.241 91.220.42.241	eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com	AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited
10	3600s	eu-smtp-inbound-2.mimecast.com	195.130.217.201 195.130.217.201 195.130.217.211 195.130.217.211 195.130.217.241 195.130.217.241 91.220.42.201 91.220.42.201 91.220.42.211 91.220.42.211 91.220.42.241 91.220.42.241	eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-2.mimecast.com eu-smtp-inbound-1.mimecast.com	AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited AS42427 Mimecast Services Limited

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 827ms

TXT Record
v=spf1 include:_u.acal.dk._spf.smart.ondmarc.com ~all

✉️ SPF

Policy	Record (acal.dk)
~all (soft fail)	v=spf1 include:_u.acal.dk._spf.smart.ondmarc.com ~all

📨 DMARC

Policy	Record (_dmarc.acal.dk)
p=reject	v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:c0be5c10@inbox.ondmarc.com; ruf=mailto:c0be5c10@inbox.ondmarc.com; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600

📬 MTA-STS725ms

Check	Result
Status	🧪 Testing
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	testing
Policy ID	1767782556401
max_age	86401s
Policy MX	eu-smtp-inbound-1.mimecast.com, eu-smtp-inbound-2.mimecast.com

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:c0be5c10@inbox.ondmarc.com

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC122ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026083101
Primary NS (MNAME)	dns1.acalbfi.com
Responsible (RNAME)	hostmaster@acalbfi.com
Refresh	3600s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 RegistrationWHOIS fetched 2026-07-04 18:58:25

Field	Value
Registrar	MarkMonitor Inc.
Registered	2000-07-14
Expires	2026-09-30 (28d)

📋 WHOIS

⏱️ Lookup Timing

NS

138ms

A

143ms

MX

139ms

AAAA

44ms

TXT

827ms

CAA

192ms

HTTPS

203ms

TLSA

224ms

SOA

0ms

MTA-STS

725ms

DNSSEC

122ms

SRV

319ms

Total

2141ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 17:45:39	2141ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-30 12:12:25	2360ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-29 05:13:38	3327ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-27 14:16:38	2576ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-26 13:19:04	1750ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-24 21:45:58	3736ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-23 20:52:02	6428ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-22 18:12:51	12639ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-21 18:01:31	11477ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-20 17:56:11	11338ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-19 09:02:18	9948ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-18 08:57:58	10794ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-16 21:50:07	8494ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-14 01:28:14	3489ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-11 19:19:15	8284ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-08 22:58:37	3760ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-08-06 22:05:10	4234ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-07-28 04:03:00	3071ms	3 NS 0 A 2 MX	❓ Unknown	View
2026-07-27 03:42:25	25634ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-07-26 03:20:27	7243ms	3 NS 0 A 2 MX	❓ Unknown	View
2026-07-25 03:08:27	3537ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-07-24 02:56:36	3105ms	3 NS 0 A 2 MX	🔓 Insecure	View
2026-07-23 00:41:12	9570ms	3 NS 0 A 2 MX	❓ Unknown	View
2026-07-21 16:26:40	14152ms	3 NS 0 A 2 MX	❓ Unknown	View
2026-07-20 10:54:20	11449ms	3 NS 0 A 2 MX	🔓 Insecure	View