nortonbackup.dk
Last scanned: 2026-08-27 15:21:02  ·  1957ms total
⬇ Zone File 📜 Record History ⚡ Scan Now
🖥️ Nameservers4 records   60ms
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 Records2 records   56ms
IPTTLPTRASNISP / OrgCIDRCountryCity
172.184.172.140 28800s — AS8075 Microsoft Corporation 172.128.0.0/10 🇺🇸 United States San Jose
20.223.132.252 28800s — AS8075 Microsoft Corporation 20.192.0.0/10 🇮🇪 Ireland Dublin
📧 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 Records1 records   265ms
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
🔗 TLSA / DANE
✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)
🔐 DNSSEC109ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer
🏷️ SOA0ms
FieldValue
Serial2016070588
Primary NS (MNAME)udns1.ultradns.net
Responsible (RNAME)domains@nortonlifelock.com
Refresh21600s
Retry7200s
Expire1209600s
Minimum (neg-cache TTL)86400s
📋 Registration
✗ No registration data — collected automatically when SOA serial changes
📋 WHOIS
⏱️ Lookup Timing
NS
60ms
A
56ms
MX
63ms
AAAA
69ms
TXT
265ms
CAA
60ms
HTTPS
66ms
TLSA
72ms
SOA
0ms
MTA-STS
95ms
DNSSEC
109ms
SRV
110ms
Total
1957ms
🕐 Scan History
Scanned AtDurationRecordsDNSSEC
2026-08-27 15:21:02 1957ms 4 NS 2 A 0 MX 🔓 Insecure View
2026-08-27 05:07:23 775ms 4 NS 2 A 0 MX 🔓 Insecure View
2026-06-28 06:56:42 810ms 4 NS 2 A 0 MX 🔓 Insecure View
2026-06-23 11:49:13 751ms 4 NS 2 A 0 MX 🔓 Insecure View
2026-06-22 15:49:28 948ms 4 NS 2 A 0 MX 🔓 Insecure View
2026-06-21 22:12:42 805ms 4 NS 2 A 0 MX 🔓 Insecure View
2026-06-21 13:59:56 949ms 0 NS 0 A 0 MX ❓ Unknown View
2026-06-18 06:07:56 1019ms 4 NS 2 A 0 MX 🔓 Insecure View
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