norton.dk

📜 Historical scan 2026-09-22 03:46:54  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

norton.dk is a .dk domain served by 2 nameservers (audrey.ns.cloudflare.com, wells.ns.cloudflare.com). It was registered on 3 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.10 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.norton.dk. The zone is not DNSSEC-signed, 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   32ms

🌍 A Records#

2 records   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.26.10 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.135.30 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   29ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.norton.dk 5.43.226.142 mail.essaycock.com AS51248 Host-Telecom.com s.r.o.

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscovermail.norton.dk → 5.43.226.142
🔶 Autoconfigmail.norton.dk → 5.43.226.142

🔷 AAAA Records (IPv6)#

2 records   34ms

🔐 HTTPS Records#

1 records   51ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.26.10,172.67.135.30 ech=AEX+DQBBXAAgACB38fC9dcjEjK6nVxXfNm3e3U3kuv0Yt2y6n4Leagh5dQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1a0a,2606:4700:3036::ac43:871e

📝 TXT Records#

1 records   158ms
TXT Record
v=spf1 mx mail.norton.dk ip4:5.43.226.142 ~all

✉️ SPF#

PolicyRecord (norton.dk)
~all (soft fail) v=spf1 mx mail.norton.dk ip4:5.43.226.142 ~all

📨 DMARC#

PolicyRecord (_dmarc.norton.dk)
p=reject v=DMARC1; p=reject; rua=mailto:support@norton.dk

📬 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 09:03:14

✍️ DKIM keys#

1 found
SelectorCNAMEKey
dkim — 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 Unknown mechanism "mail.norton.dk": receivers treat the record as a permanent error

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415418966
Primary NS (MNAME)audrey.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-11 05:08:52
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2026-04-03
Expires2027-04-02 (165d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
32ms
A
29ms
MX
29ms
AAAA
34ms
TXT
158ms
CAA
35ms
HTTPS
51ms
TLSA
58ms
SOA
0ms
MTA-STS
62ms
DNSSEC
116ms
SRV
56ms
Total
1198ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 09:03:14 1471ms 2 NS 2 A 1 MX 🔓 Insecure
2026-10-11 04:23:52 3647ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-29 23:05:37 679ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-23 01:52:49 1077ms 2 NS 2 A 1 MX 🔓 Insecure
2026-09-22 03:46:54 shown 1198ms 2 NS 2 A 1 MX 🔓 Insecure
2026-08-16 07:04:04 1169ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-13 00:49:43 882ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-19 19:14:47 909ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-18 06:26:14 2754ms 2 NS 2 A 0 MX 🔓 Insecure
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