calcengineer.com - robtex.com

calcengineer.com

DNSSEC⚠️ Not signed
A5.181.3.120🇷🇺 GCS-AS5.181.3.0/24
PTRbot.aifemida.ru
NSns17.hostia.name ⭐
A95.216.78.220🇫🇮 Hetzner95.216.0.0/16 HETZNER-DC
PTRs48.hostia.name
NSns18.hostia.name
A95.216.78.195🇫🇮 Hetzner95.216.0.0/16 HETZNER-DC
PTRs48.hostia.name
MXmx1.improvmx.com ⭐
A2a05:d012:412:e201:88aa:e7b9:7a43:12d7🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A2a05:d012:412:e202:f36:2c1f:1a49:d38a🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A2a05:d012:412:e203:373a:f51a:4a85:1d25🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A13.37.195.136🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix
PTRec2-13-37-195-136.eu-west-3.compute.amazonaws.com
A15.236.236.160🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix
PTRec2-15-236-236-160.eu-west-3.compute.amazonaws.com
A35.181.18.45🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix
PTRec2-35-181-18-45.eu-west-3.compute.amazonaws.com
MXmx2.improvmx.com(20)
A2a05:d012:412:e201:1f6e:f6e4:8fd7:4678🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A2a05:d012:412:e202:e81e:cc44:3b53:8a3d🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A2a05:d012:412:e203:7e33:3d9c:28d7:ee20🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A13.36.107.63🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix
PTRec2-13-36-107-63.eu-west-3.compute.amazonaws.com
A13.36.222.39🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix
PTRec2-13-36-222-39.eu-west-3.compute.amazonaws.com
A15.236.61.92🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix
PTRec2-15-236-61-92.eu-west-3.compute.amazonaws.com
TXTv=spf1 ip4:95.216.78.220 ip4:5.181.3.120 include:sendinblue.com include:spf.i...
TXTgoogle-site-verification=1N1MpqMUOAVWeZuJoJonuEu3tkl3q_GOA1ZTt9pbrzI
TXTbrevo-code:5e05620f9211ef8708d93054c0eb7dd9
SOAns17.hostia.namehostmaster@calcengineer.com 2026-04-10 #63

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=1785427897

Same first word

calcengineer.com

DNS History

5 records (5 active, 0 former)

NSns17.hostia.namens18.hostia.nameMXmx1.improvmx.commx2.improvmx.comA5.181.3.120
●NSns17.hostia.name2026-07-07 → 2026-07-30 · 2 obs
● 2026-07-07 10:48:02
● 2026-07-30 16:19:20
●NSns18.hostia.name2026-07-07 → 2026-07-30 · 2 obs
● 2026-07-07 10:48:02
● 2026-07-30 16:19:20
●MXmx1.improvmx.com2026-07-07 → 2026-07-30 · 2 obs
● 2026-07-07 10:48:02
● 2026-07-30 16:19:20
●MXmx2.improvmx.com2026-07-07 → 2026-07-30 · 2 obs
● 2026-07-07 10:48:02
● 2026-07-30 16:19:20
●A5.181.3.1202026-07-07 → 2026-07-30 · 2 obs
● 2026-07-07 10:48:02
● 2026-07-30 16:19:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
calcengineer.comns17.hostia.name, ns18.hostia.name-

✅ Authoritative Response

Server:95.216.78.220

NS records: ns17.hostia.name, ns18.hostia.name

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calcengineer.com (unsigned zone)

⏱️ Timing

Total: 1031ms | Queries: -

📄 Records

TypeCountSample Data
A15.181.3.120
NS2ns18.hostia.name, ns17.hostia.name
MX2mx2.improvmx.com (pri: 20), mx1.improvmx.com (pri: 10)
TXT3brevo-code:5e05620f9211ef8708d93054c0eb7, google-site-verification=1N1MpqMUOAVWeZu...
SOA1ns17.hostia.name hostmaster.calcengineer

Analysis

IP Addresses

calcengineer.com resolves to one IP address: 5.181.3.120.

Name Servers

calcengineer.com has two authoritative name servers — ns17.hostia.name and ns18.hostia.name.

calcengineer.com uses the same name servers as several other domains — among them nekid.ru, bizzup.ru, it-orel.com and two more.

Some name servers delegated to calcengineer.com are also used by other domains, notably alnevsobor.ru and beglad.ru.

ns17.hostia.name → 95.216.78.220 and ns18.hostia.name → 95.216.78.195: one IP number per host name.

Mail Servers

Mail for calcengineer.com is handled by two mail servers — mx1.improvmx.com and mx2.improvmx.com.

calcengineer.com uses an identical mail server configuration to several other domains — among them deixx.com, abbyrobot.com, zionchristianministry.com and two more.

calcengineer.com has at least partial mail server overlap with other domains such as vms.media, crwilson.com, zlido.com and two more.

Hostnames that resolve to 6 IP addresses:

mx1.improvmx.com points to 13.37.195.136, 15.236.236.160, 35.181.18.45 and 3 other IP addresses.

mx2.improvmx.com points to 13.36.107.63, 13.36.222.39, 15.236.61.92 and 3 other IP addresses.