justworks.dk DNS records

🖥️ Nameservers5 records 206ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.gratisdns.dk	—	—	—
ns2.gratisdns.dk	—	—	—
ns3.gratisdns.dk	—	—	—
ns4.gratisdns.dk	—	—	—
ns5.gratisdns.dk	—	—	—

🌍 A Records1 records 213ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.91.97.254	360s	mail.justworks.dk	AS51167	Contabo GmbH	144.91.64.0/18	🇫🇷 France	Lauterbourg

📧 MX Records1 records 207ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	smtp.google.com	2a00:1450:400c:c04::1b 2a00:1450:400c:c04::1b 2a00:1450:400c:c09::1b 2a00:1450:400c:c09::1b 2a00:1450:400c:c0a::1a 2a00:1450:400c:c0a::1a 2a00:1450:400c:c0a::1b 2a00:1450:400c:c0a::1b 64.233.166.26 64.233.166.27 64.233.167.26 64.233.167.27 74.125.206.26	wk-in-f27.1e100.net wk-in-x1b.1e100.net wm-in-x1b.1e100.net wm-in-f27.1e100.net wl-in-x1a.1e100.net wl-in-f26.1e100.net wl-in-f27.1e100.net wl-in-x1b.1e100.net wm-in-f26.1e100.net wm-in-f27.1e100.net wl-in-f26.1e100.net wl-in-f27.1e100.net wk-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 803ms

TXT Record
google-site-verification=nezotgex6bd13pi1p2tdc7jw7pwb_qxfnki0exy1dx0
v=spf1 include:_spf.google.com ~all
v=spf1 ip4:144.91.97.254/32 ip4:95.128.26.177/28 ip4:95.128.27.0/26 a mx include:sendgrid.net include:email.freshdesk.com include:_spf.google.com include:spf1.justworks.dk ~all

✉️ SPF

⚠ Multiple SPF records — RFC 7208 §4.5 violation (receivers must treat this as permerror)

Policy	Record (justworks.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all
~all (soft fail)	v=spf1 ip4:144.91.97.254/32 ip4:95.128.26.177/28 ip4:95.128.27.0/26 a mx include:sendgrid.net include:email.freshdesk.com include:_spf.google.com include:spf1.justworks.dk ~all

📨 DMARC

Policy	Record (_dmarc.justworks.dk)
p=none (monitor only)	v=dmarc1; p=none; rua=mailto:dmarc@justworks.dk; pct=100; adkim=s; aspf=s
p=reject	v=dmarc1; p=reject; pct=100; rua=mailto:jn@justworks.dk; ruf=mailto:jn@justworks.dk; ri=86400; fo=1;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records2 records 199ms

Flags	Tag	Value
0	issue	letsencrypt.org
0	issue	rapidssl.com

🔗 TLSA / DANE

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

🔐 DNSSEC541ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA228ms

Field	Value
Serial	2026012605
Primary NS (MNAME)	ns1.gratisdns.dk
Responsible (RNAME)	support@justworks.dk
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

206ms

A

213ms

MX

207ms

AAAA

223ms

TXT

803ms

CAA

199ms

HTTPS

202ms

TLSA

402ms

SOA

228ms

MTA-STS

225ms

DNSSEC

541ms

SRV

576ms

Total

2886ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-26 10:32:08	2886ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 17:07:40	805ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 21:53:35	1167ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 08:37:31	4115ms	5 NS 1 A 1 MX	🔓 Insecure	View