introdus.dk

📜 Historical scan 2026-09-24 02:16:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

introdus.dk is a .dk domain served by 2 nameservers (elmo.ns.cloudflare.com, sharon.ns.cloudflare.com). It was registered on 23 June 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 34.107.64.105 is hosted by Google LLC (AS396982) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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#

2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
elmo.ns.cloudflare.com	108.162.193.163 172.64.33.163 173.245.59.163 2606:4700:58::adf5:3ba3 2803:f800:50::6ca2:c1a3 2a06:98c1:50::ac40:21a3	elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com elmo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sharon.ns.cloudflare.com	108.162.192.221 172.64.32.221 173.245.58.221 2606:4700:50::adf5:3add 2803:f800:50::6ca2:c0dd 2a06:98c1:50::ac40:20dd	sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.ns.cloudflare.com sharon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
34.107.64.105	300s	105.64.107.34.bc.googleusercontent.com	AS396982	Google LLC	34.104.0.0/13	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

5 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	173.194.222.26 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a	lo-in-f26.1e100.net lo-in-f26.1e100.net lo-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	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	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.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#

3 records 198ms

TXT Record
google-site-verification=iqtWJgrf1nFoi0qEy21_wrm_LWKUVi7u-kw9FS8Q0p4
Sendinblue-code:d07a9c8170230bbbad1256bab7cb8d13
v=spf1 include:spf.sendinblue.com include:_spf.google.com mx ~all

✉️ SPF#

Policy	Record (introdus.dk)
~all (soft fail)	v=spf1 include:spf.sendinblue.com include:_spf.google.com mx ~all

📨 DMARC#

Policy	Record (_dmarc.introdus.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; rua=mailto:dmarc@mailinblue.com!10m; ruf=mailto:dmarc@mailinblue.com!10m; rf=afrf; pct=100; ri=86400

📬 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 2026-10-14 04:13:54

www CNAME	introdusnew.wpengine.com (all on wpengine.com) → 34.107.64.105 (AS396982)
www vs bare domain	Same network introdus.dk: 34.107.64.105 (AS396982) www.introdus.dk: 34.107.64.105 (AS396982)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
mail	—	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: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415355793
Primary NS (MNAME)	elmo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 00:07:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-06-23
Expires	2027-06-30 (249d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

44ms

AAAA

39ms

TXT

198ms

CAA

35ms

HTTPS

48ms

TLSA

142ms

SOA

0ms

MTA-STS

76ms

DNSSEC

126ms

SRV

76ms

Total

904ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 04:13:54	3050ms	2 NS 1 A 5 MX	🔓 Insecure
2026-10-09 23:50:35	2105ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-30 20:36:19	1009ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-27 13:47:05	9622ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-24 02:16:25 shown	904ms	2 NS 1 A 5 MX	🔓 Insecure
2026-09-08 22:40:58	860ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-27 12:27:25	994ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-12 13:06:37	1612ms	2 NS 1 A 5 MX	🔓 Insecure
2026-08-09 15:49:12	2085ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-23 18:11:26	1464ms	2 NS 1 A 5 MX	🔓 Insecure
2026-07-11 09:53:27	2085ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-24 17:44:31	1205ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-23 09:56:56	926ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-20 07:34:13	873ms	2 NS 1 A 5 MX	🔓 Insecure
2026-06-17 16:08:58	5782ms	2 NS 1 A 5 MX	🔓 Insecure