itguru.dk

📜 Historical scan 2026-09-11 21:03:56  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

itguru.dk is a .dk domain served by 2 nameservers (hugh.ns.cloudflare.com, tina.ns.cloudflare.com). It was registered on 1 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.29.81 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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   45ms
NameserverIP addressesPTRASN / ISP
hugh.ns.cloudflare.com 108.162.193.117
172.64.33.117
173.245.59.117
2606:4700:58::adf5:3b75
2803:f800:50::6ca2:c175
2a06:98c1:50::ac40:2175		 hugh.ns.cloudflare.com
hugh.ns.cloudflare.com
hugh.ns.cloudflare.com
hugh.ns.cloudflare.com
hugh.ns.cloudflare.com
hugh.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
tina.ns.cloudflare.com 108.162.192.230
172.64.32.230
173.245.58.230
2606:4700:50::adf5:3ae6
2803:f800:50::6ca2:c0e6
2a06:98c1:50::ac40:20e6		 tina.ns.cloudflare.com
tina.ns.cloudflare.com
tina.ns.cloudflare.com
tina.ns.cloudflare.com
tina.ns.cloudflare.com
tina.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

2 records   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.29.81 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.171.109 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

5 records   51ms
PriorityTTLMail ServerIP addressesPTRASN
1 300s aspmx.l.google.com 142.250.147.27
2a00:1450:4025:c03::1a		 rd-in-f27.1e100.net
rc-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 300s alt1.aspmx.l.google.com 192.178.211.27
2404:6800:4000:1025::1b		 lcbomp-in-f27.1e100.net
lcbomp-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 300s alt2.aspmx.l.google.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 300s aspmx2.googlemail.com 192.178.211.26
2404:6800:4000:1025::1b		 lcbomp-in-f26.1e100.net
lcbomp-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
10 300s aspmx3.googlemail.com 192.178.158.27
2404:6800:4013:813::1b		 lcdels-in-f27.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records   49ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:ab6d 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3031::6815:1d51 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   56ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.29.81,172.67.171.109 ech=AEX+DQBB9AAgACDYZKsZZwz5oQySizFF6UgST8TpF9PafRHykLO0Y29qcAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:ab6d,2606:4700:3031::6815:1d51

📝 TXT Records#

4 records   216ms
TXT Record
app-topsoetest-gipsws.azurewebsites.net
google-site-verification=LyUTacBLGDeVPZpkQ1jce97pkeGmEQoi-2Qdc8eJJks
MS=ms90964860
v=spf1 include:aspmx.googlemail.com ~all\" \"\" \"\"

✉️ SPF#

PolicyRecord (itguru.dk)
no all — incomplete SPF v=spf1 include:aspmx.googlemail.com ~all\" \"\" \"\"

📨 DMARC#

PolicyRecord (_dmarc.itguru.dk)
p=none (monitor only) v=DMARC1; p=none; rua=mailto:dmarc_agg@vali.email;

📬 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 2026-10-19 14:52:46
www104.21.29.81 172.67.171.109 2606:4700:3030::ac43:ab6d 2606:4700:3031::6815:1d51 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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: 2/10 · policy: none

  • error Unknown mechanism "~all\"": receivers treat the record as a permanent error
  • error Unknown mechanism "\"\"": receivers treat the record as a permanent error
  • error Unknown mechanism "\"\"": receivers treat the record as a permanent error
  • warn No "all" and no redirect: mail from unlisted servers gets a neutral result

🔗 TLSA / DANE#

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

🔐 DNSSEC#

74ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2413752809
Primary NS (MNAME)hugh.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-08 21:01:23
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2000-02-01
Expires2028-11-30 (771d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
45ms
A
49ms
MX
51ms
AAAA
49ms
TXT
216ms
CAA
36ms
HTTPS
56ms
TLSA
166ms
SOA
0ms
MTA-STS
71ms
DNSSEC
74ms
SRV
77ms
Total
875ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-19 14:52:46 904ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-25 16:13:30 872ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-24 15:57:58 1744ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-11 21:03:56 shown 875ms 2 NS 2 A 5 MX 🔒 Secure
2026-09-07 15:52:28 3192ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-24 12:52:26 1809ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-23 06:33:05 9348ms 2 NS 2 A 5 MX 🔒 Secure
2026-08-09 17:45:54 8085ms 2 NS 2 A 5 MX 🔒 Secure
2026-07-27 16:10:03 2599ms 2 NS 2 A 5 MX 🔒 Secure
2026-07-16 15:03:32 1264ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-22 14:22:48 1169ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-20 16:26:18 1288ms 2 NS 2 A 5 MX 🔒 Secure
2026-06-17 20:18:49 960ms 2 NS 2 A 5 MX 🔒 Secure
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