stubtec.dk

📜 Historical scan 2026-06-19 23:37:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

stubtec.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.101.2.157 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no 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#

4 records 144ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

2 records 124ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.101.2.157	600s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam
94.231.103.100	600s	dnsforward.simply.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

5 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	aspmx.l.google.com	173.194.220.27 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a	lk-in-f27.1e100.net lh-in-f26.1e100.net lh-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	600s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	600s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	600s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	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#

4 records 567ms

TXT Record
_oz5m0a0k6faagvvhtoucy03p2q2zn6z
google-site-verification=aUXzKb9zve4TMnoAtY6AiDoiS96E1tz02MG_VNX1WsQ
MS=FB1F459858D647481176F4AC132CEDE757469E14
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (stubtec.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-17 18:24:06

www CNAME	stubtec-nextjs-staging-gxencfhtc6dfhph7.swedencentral-01.azurewebsites.net (all on azurewebsites.net) → 51.12.31.26 (AS8075)
www vs bare domain	Different networks stubtec.dk: 94.231.103.100 (AS48854) www.stubtec.dk: 51.12.31.26 (AS8075) (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~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#

213ms

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

🏷️ SOA#

107ms

Field	Value
Serial	2026011000
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

144ms

124ms

111ms

AAAA

125ms

TXT

567ms

CAA

128ms

HTTPS

120ms

TLSA

176ms

SOA

107ms

MTA-STS

73ms

DNSSEC

213ms

SRV

245ms

Total

1164ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-17 18:24:06	1259ms	4 NS 1 A 5 MX	🔒 Secure
2026-10-13 11:39:03	572ms	4 NS 2 A 5 MX	🔒 Secure
2026-10-07 22:56:29	569ms	4 NS 2 A 5 MX	🔒 Secure
2026-10-01 02:37:55	909ms	4 NS 2 A 5 MX	🔒 Secure
2026-08-28 06:41:24	717ms	4 NS 2 A 5 MX	🔒 Secure
2026-06-26 13:43:47	871ms	4 NS 2 A 5 MX	🔒 Secure
2026-06-24 22:40:23	728ms	4 NS 2 A 5 MX	🔒 Secure
2026-06-22 01:20:13	1021ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 23:37:38 shown	1164ms	4 NS 2 A 5 MX	🔒 Secure
2026-06-19 19:20:44	3204ms	4 NS 2 A 5 MX	🔒 Secure
2026-06-18 06:45:30	1097ms	4 NS 2 A 5 MX	🔒 Secure