ptocalc.com - robtex.com

ptocalc.com

DNSSEC⚠️ Not signed
A18.208.88.157🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix
PTRec2-18-208-88-157.compute-1.amazonaws.com
A98.84.224.111🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix
NSdns1.p01.nsone.net ⭐
A2620:4d:4000:6259:7:1:0:1🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p01.nsone.net
A198.51.44.1🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p01.nsone.net
NSdns1.p06.nsone.net
A2620:4d:4000:6259:7:6:0:1🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p06.nsone.net
A198.51.44.6🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p06.nsone.net
NSdns2.p06.nsone.net
A2a00:edc0:6259:7:6::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p06.nsone.net
A198.51.45.6🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p06.nsone.net
NSdns3.p06.nsone.net
A2620:4d:4000:6259:7:6:0:3🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns3.p06.nsone.net
A198.51.44.70🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns3.p06.nsone.net
NSdns4.p06.nsone.net
A2a00:edc0:6259:7:6::4🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns4.p06.nsone.net
A198.51.45.70🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns4.p06.nsone.net
SOAdns1.p01.nsone.netdomains+netlify@netlify.com serial=1759031667

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774409337
⚠️ On DNS blocklist: tif

Same first word

ptocalc.com

Similar names

potcalc.com
topcalc.info
topcalc.eu
topcalc.nl
coltcap.nl
coltcap.com
topcalc.ro
topcalc.co.uk
topcalc.com

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSdns1.p01.nsone.netdns1.p06.nsone.netdns2.p06.nsone.netdns3.p06.nsone.netdns4.p06.nsone.netns1.tierra.netns2.tierra.netMXmx1.daemonmail.netmx2.daemonmail.netA18.208.88.15798.84.224.11113.52.188.95216.104.165.27216.104.165.87216.104.182.20452.52.192.191
●NSdns1.p01.nsone.net2026-03-25 → 2026-03-25 · 3 obs
○ 2017-08-28 10:25:46
● 2026-03-25 03:53:28
● 2026-03-25 03:53:30
●NSdns1.p06.nsone.net2026-03-25 → 2026-03-25 · 3 obs
○ 2017-08-28 10:25:46
● 2026-03-25 03:53:28
● 2026-03-25 03:53:30
●NSdns2.p06.nsone.net2026-03-25 → 2026-03-25 · 3 obs
○ 2017-08-28 10:25:46
● 2026-03-25 03:53:28
● 2026-03-25 03:53:30
●NSdns3.p06.nsone.net2026-03-25 → 2026-03-25 · 3 obs
○ 2017-08-28 10:25:46
● 2026-03-25 03:53:28
● 2026-03-25 03:53:30
●NSdns4.p06.nsone.net2026-03-25 → 2026-03-25 · 3 obs
○ 2017-08-28 10:25:46
● 2026-03-25 03:53:28
● 2026-03-25 03:53:30
○NSns1.tierra.net2015-05-10 → 2017-08-28 · 4 obs
● 2015-05-10 01:49:42
● 2017-08-28 10:25:46
○ 2026-03-25 03:53:28
○ 2026-03-25 03:53:30
○NSns2.tierra.net2015-05-10 → 2017-08-28 · 4 obs
● 2015-05-10 01:49:42
● 2017-08-28 10:25:46
○ 2026-03-25 03:53:28
○ 2026-03-25 03:53:30
○MXmx1.daemonmail.net2015-05-10 → 2017-08-28 · 4 obs
● 2015-05-10 01:49:42
● 2017-08-28 10:25:46
○ 2026-03-25 03:53:28
○ 2026-03-25 03:53:30
○MXmx2.daemonmail.net2015-05-10 → 2017-08-28 · 4 obs
● 2015-05-10 01:49:42
● 2017-08-28 10:25:46
○ 2026-03-25 03:53:28
○ 2026-03-25 03:53:30
○A13.52.188.952026-03-25 → 2026-03-25 · 2 obs
○ 2026-03-25 03:53:28
○ 2026-03-25 03:53:30
●A18.208.88.1572026-03-25 → 2026-03-25 · 3 obs
○ 2017-08-28 10:25:46
● 2026-03-25 03:53:28
● 2026-03-25 03:53:30
○A216.104.165.272017-08-28 → 2017-08-28 · 4 obs
○ 2016-11-26 08:22:00
● 2017-08-28 10:25:46
○ 2026-03-25 03:53:28
○ 2026-03-25 03:53:30
○A216.104.165.872017-08-28 → 2017-08-28 · 4 obs
○ 2016-11-26 08:22:00
● 2017-08-28 10:25:46
○ 2026-03-25 03:53:28
○ 2026-03-25 03:53:30
○A216.104.182.2042015-05-10 → 2016-11-26 · 4 obs
● 2015-05-10 01:49:42
● 2016-11-26 08:22:00
○ 2017-08-28 10:25:46
○ 2026-03-25 03:53:30
○A52.52.192.1912026-03-25 → 2026-03-25 · 2 obs
○ 2026-03-25 03:53:28
○ 2026-03-25 03:53:30
●A98.84.224.1112026-03-25 → 2026-03-25 · 3 obs
○ 2017-08-28 10:25:46
● 2026-03-25 03:53:28
● 2026-03-25 03:53:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
ptocalc.comdns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net, dns4.p06.nsone.net-

✅ Authoritative Response

Server:198.51.44.70

NS records: dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net, dns4.p06.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ptocalc.com (unsigned zone)

⏱️ Timing

Total: 325ms | Queries: -

📄 Records

TypeCountSample Data
A218.208.88.157, 98.84.224.111
NS4dns1.p06.nsone.net, dns2.p06.nsone.net...
SOA1dns1.p01.nsone.net domains+netlify.netli

Analysis

IP Addresses

ptocalc.com resolves to two IPs: 18.208.88.157 and 98.84.224.111.

other host names for instance alexsquare.xyz, gatsby-starter-blog-demo.netlify.com, luminousbits.net, degermany.netlify.app and bukstor.netlify.com share IP numbers with ptocalc.com.

Name Servers

ptocalc.com is delegated to five name servers: dns1.p01.nsone.net, dns1.p06.nsone.net, dns2.p06.nsone.net, dns3.p06.nsone.net and dns4.p06.nsone.net.

ptocalc.com at least partially shares name servers with other domains, for instance ianoz.com, stickerapp.es, behindthebandsmedia.com, darzalexfaspro.de and lesionicutaee.com.

These name servers are often used together with the name servers ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, connect1.squarespacedns.com, connect2.squarespacedns.com and ns01.ebaydns.com.

Hosts with two IP numbers:

dns1.p01.nsone.net points to 2620:4d:4000:6259:7:1:0:1 and 198.51.44.1.

dns1.p06.nsone.net points to 2620:4d:4000:6259:7:6:0:1 and 198.51.44.6.

dns2.p06.nsone.net points to 2a00:edc0:6259:7:6::2 and 198.51.45.6.

dns3.p06.nsone.net points to 2620:4d:4000:6259:7:6:0:3 and 198.51.44.70.

dns4.p06.nsone.net points to 2a00:edc0:6259:7:6::4 and 198.51.45.70.