justworks.dk

📜 Historical scan 2026-06-18 08:37:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

justworks.dk is a .dk domain served by 5 nameservers (ns1.gratisdns.dk, ns2.gratisdns.dk, ns3.gratisdns.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.91.97.254 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by smtp.google.com. The zone is not DNSSEC-signed, 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#

5 records 76ms

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

🌍 A Records#

1 records 103ms

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

📧 MX Records#

1 records 251ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	smtp.google.com	142.251.1.26 142.251.1.27 173.194.221.26 173.194.221.27 173.194.222.26 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a	lb-in-f26.1e100.net lb-in-f27.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lf-in-f26.1e100.net lf-in-x1a.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net lk-in-f26.1e100.net lk-in-x1a.1e100.net lo-in-x1a.1e100.net lo-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 Records#

3 records 545ms

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 Records#

2 records 93ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 06:49:09

www CNAME	justworks.dk (all on justworks.dk) → 144.91.97.254 (AS51167)
www vs bare domain	Same network justworks.dk: 144.91.97.254 (AS51167) www.justworks.dk: 144.91.97.254 (AS51167)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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

error 2 SPF records: receivers must treat that as a permanent error (RFC 7208 §4.5)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

165ms

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

🏷️ SOA#

89ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

76ms

103ms

251ms

AAAA

91ms

TXT

545ms

CAA

93ms

HTTPS

89ms

TLSA

122ms

SOA

89ms

MTA-STS

92ms

DNSSEC

165ms

SRV

92ms

Total

4115ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-23 13:42:38	1913ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-26 10:32:08	2886ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-25 17:07:40	805ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-21 21:53:35	1167ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 08:37:31 shown	4115ms	5 NS 1 A 1 MX	🔓 Insecure