justworks.dk

📜 Historical scan 2026-06-25 17:07:40 · ← 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 35ms

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 66ms

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 Records#

1 records 70ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	360s	smtp.google.com	173.194.221.26 173.194.221.27 2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1b 2a00:1450:4010:c02::1b 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 2a00:1450:4010:c20::1a 64.233.163.27 74.125.205.26 74.125.205.27	lm-in-f26.1e100.net lm-in-f27.1e100.net le-in-x1a.1e100.net le-in-f26.1e100.net le-in-x1b.1e100.net le-in-f27.1e100.net lm-in-f27.1e100.net lm-in-x1b.1e100.net yulppbn-in-f26.1e100.net lj-in-f27.1e100.net le-in-f26.1e100.net le-in-f27.1e100.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 197ms

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 69ms

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#

124ms

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

🏷️ SOA#

31ms

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#

35ms

66ms

70ms

AAAA

83ms

TXT

197ms

CAA

69ms

HTTPS

70ms

TLSA

300ms

SOA

31ms

MTA-STS

61ms

DNSSEC

124ms

SRV

92ms

Total

805ms

🕐 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 shown	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	4115ms	5 NS 1 A 1 MX	🔓 Insecure