nortonbackup.dk

📜 Historical scan 2026-06-21 22:12:42  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nortonbackup.dk is a .dk domain served by 4 nameservers (edns109.ultradns.biz, edns109.ultradns.com, edns109.ultradns.net and 1 more). It was registered on 22 January 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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#

4 records   59ms
NameserverIP addressesPTRASN / ISP
edns109.ultradns.biz 204.74.67.109
2610:a1:1015::26d		 edns109.ultradns.biz
edns109.ultradns.biz		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
edns109.ultradns.com 2001:502:f3ff::26d
204.74.66.109		 edns109.ultradns.com
edns109.ultradns.com		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
edns109.ultradns.net 204.74.110.109
2610:a1:1014::26d		 edns109.ultradns.net
edns109.ultradns.net		 AS12008 Vercara, LLC
AS12008 Vercara, LLC
edns109.ultradns.org 2001:502:4612::26d
204.74.111.109		 edns109.ultradns.org
edns109.ultradns.org		 AS12008 Vercara, LLC
AS12008 Vercara, LLC

🌍 A Records#

2 records   64ms
IPTTLPTRASNISP / OrgCIDRCountryCity
23.99.92.83 21600s — AS8075 — — — —
40.69.201.11 21600s — AS8075 — — — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   571ms
TXT Record
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all

✉️ SPF#

PolicyRecord (nortonbackup.dk)
~all (soft fail) v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all

📨 DMARC#

PolicyRecord (_dmarc.nortonbackup.dk)
p=reject v=DMARC1; p=reject; 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 2026-10-11 01:34:06
www172.184.172.140 20.223.132.252 (AS8075) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔎 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#

171ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

64ms
FieldValue
Serial2016070584
Primary NS (MNAME)udns1.ultradns.net
Responsible (RNAME)domains@nortonlifelock.com
Refresh21600s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s

📋 Registration#

WHOIS fetched 2026-10-13 03:49:51
FieldValue
RegistrarMarkMonitor Inc.
Registered2009-01-22
Expires2027-01-31 (104d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
nortonportal.dkMarkMonitor Inc.
📋 WHOIS#

⏱️ Lookup Timing#

NS
59ms
A
64ms
MX
74ms
AAAA
69ms
TXT
571ms
CAA
69ms
HTTPS
60ms
TLSA
82ms
SOA
64ms
MTA-STS
264ms
DNSSEC
171ms
SRV
104ms
Total
805ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-02 11:44:09 511ms 4 NS 2 A 0 MX 🔓 Insecure
2026-09-26 07:22:11 3046ms 4 NS 2 A 0 MX 🔓 Insecure
2026-09-12 06:48:44 1558ms 4 NS 2 A 0 MX 🔓 Insecure
2026-08-27 15:21:02 1957ms 4 NS 2 A 0 MX 🔓 Insecure
2026-08-27 05:07:23 775ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-28 06:56:42 810ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-23 11:49:13 751ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-22 15:49:28 948ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-21 22:12:42 shown 805ms 4 NS 2 A 0 MX 🔓 Insecure
2026-06-21 13:59:56 949ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-18 06:07:56 1019ms 4 NS 2 A 0 MX 🔓 Insecure
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