calfnotes.com - dns.ninja

calfnotes.com

DNSSEC⚠️ Not signed
A66.198.240.38🇺🇸 vercara-udos66.198.240.0/24
PTRmi3-cl9-its4.a2hosting.com
NSns1.a2hosting.com
A13.248.158.180🇺🇸 Amazon13.248.144.0/20
PTRa79764cc55c0ac9c0.awsglobalaccelerator.com
NSns2.a2hosting.com
A75.2.118.134🇺🇸 Amazon75.2.112.0/20
PTRabc65dd9a44b5332f.awsglobalaccelerator.com
NSns3.a2hosting.com ⚠️ Not in parent delegation
A76.223.26.245🇺🇸 Amazon76.223.16.0/20
PTRa79764cc55c0ac9c0.awsglobalaccelerator.com
NSns4.a2hosting.com ⚠️ Not in parent delegation
A99.83.147.209🇺🇸 Amazon99.83.144.0/20
PTRabc65dd9a44b5332f.awsglobalaccelerator.com
MXmail.calfnotes.com
A66.198.240.38🇺🇸 vercara-udos66.198.240.0/24
PTRmi3-cl9-its4.a2hosting.com
TXTbrevo-code:cd1616a50546b1ba04c878901af3ae36
TXTv=spf1 +a +mx +ip4:66.198.240.38 include:spf.a2hosting.com ~all
SOAns1.a2hosting.comroot@mi3-cl9-its4.a2hosting.com 2026-06-27 #1

com

WOT: SAFE (61/100)

Subdomains

Same first word

Similar names

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns1.a2hosting.comns2.a2hosting.comns3.a2hosting.comns4.a2hosting.comns1.bluedomino.comns2.bluedomino.comMXmail.calfnotes.commx.calfnotes.comA66.198.240.3838.113.1.10265.254.227.224
NSns1.a2hosting.com2026-04-08 → 2026-07-05 · 3 obs
○ 2017-04-01 14:50:02
● 2026-04-08 16:08:38
● 2026-07-05 10:11:24
NSns1.bluedomino.com2015-06-16 → 2017-04-01 · 4 obs
● 2015-06-16 15:59:26
● 2017-04-01 14:50:02
○ 2026-04-08 16:08:38
○ 2026-07-05 10:11:24
NSns2.a2hosting.com2026-04-08 → 2026-07-05 · 3 obs
○ 2017-04-01 14:50:02
● 2026-04-08 16:08:38
● 2026-07-05 10:11:24
NSns2.bluedomino.com2015-06-16 → 2017-04-01 · 4 obs
● 2015-06-16 15:59:26
● 2017-04-01 14:50:02
○ 2026-04-08 16:08:38
○ 2026-07-05 10:11:24
NSns3.a2hosting.com2026-04-08 → 2026-07-05 · 3 obs
○ 2017-04-01 14:50:02
● 2026-04-08 16:08:38
● 2026-07-05 10:11:24
NSns4.a2hosting.com2026-04-08 → 2026-07-05 · 3 obs
○ 2017-04-01 14:50:02
● 2026-04-08 16:08:38
● 2026-07-05 10:11:24
MXmail.calfnotes.com2026-04-08 → 2026-07-05 · 3 obs
○ 2017-04-01 14:50:02
● 2026-04-08 16:08:38
● 2026-07-05 10:11:24
MXmx.calfnotes.com2015-06-16 → 2017-04-01 · 4 obs
● 2015-06-16 15:59:26
● 2017-04-01 14:50:02
○ 2026-04-08 16:08:38
○ 2026-07-05 10:11:24
A38.113.1.1022015-06-16 → 2016-05-04 · 4 obs
● 2015-06-16 15:59:26
● 2016-05-04 20:39:06
○ 2017-04-01 14:50:02
○ 2026-07-05 10:11:24
A65.254.227.2242017-04-01 → 2017-04-01 · 4 obs
○ 2016-05-04 20:39:06
● 2017-04-01 14:50:02
○ 2026-04-08 16:08:38
○ 2026-07-05 10:11:24
A66.198.240.382026-04-08 → 2026-07-05 · 3 obs
○ 2017-04-01 14:50:02
● 2026-04-08 16:08:38
● 2026-07-05 10:11:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net...-
calfnotes.comns1.a2hosting.com, ns2.a2hosting.com2 records

✅ Authoritative Response

Server:13.248.158.180

NS records: ns1.a2hosting.com, ns2.a2hosting.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calfnotes.com (unsigned zone)

⏱️ Timing

Total: 134ms | Queries: -

📄 Records

TypeCountSample Data
A166.198.240.38
NS4ns2.a2hosting.com, ns1.a2hosting.com...
MX1mail.calfnotes.com (pri: 0)
TXT2brevo-code:cd1616a50546b1ba04c878901af3a, v=spf1 +a +mx +ip4:66.198.240.38 include
SOA1ns1.a2hosting.com root.mi3-cl9-its4.a2ho

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.a2hosting.com, ns2.a2hosting.com)

Analysis

Hierarchy

calfnotes.com is a parent domain of mail.calfnotes.com.

IP Addresses

calfnotes.com points to a single IP number: 66.198.240.38.

Additional host names — mail.bai-gaming.com, office-134.com, loseweightwithhypothyroidism.com and two others — share IP numbers with calfnotes.com.

Name Servers

calfnotes.com has four authoritative name servers: ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com.

calfnotes.com shares at least some of its name servers with other domains, including ddplayer2.com, dccosmeticdentistry.com, reka-n.com and two others.

These name servers are frequently seen alongside ns1.supercp.com, ns2.supercp.com, ns4.supercp.com and 5 other name servers.

ns1.a2hosting.com, ns2.a2hosting.com, ns3.a2hosting.com and ns4.a2hosting.com each resolve to one IP address: ns1.a2hosting.com resolves to 13.248.158.180, ns2.a2hosting.com resolves to 75.2.118.134, ns3.a2hosting.com resolves to 76.223.26.245 and ns4.a2hosting.com resolves to 99.83.147.209.

Mail Servers

calfnotes.com has one mail server: mail.calfnotes.com.

mail.calfnotes.com resolves to 66.198.240.38 and no other IP number.