structurecalcs.com - robtex.com
structurecalcs.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2602:fb2b:120:100:e86a:b3ff:fe92:77ea🇺🇸 DFINITY-INFRA2602:fb2b:120::/48 DFINITY CH1 InfraDC traffic-engineering route | ||||||
| A | 23.236.116.77🇺🇸 TELX-AS2185923.236.116.0/24 | ||||||
| NS | laura.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3ab7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0b7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20b7🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 108.162.192.183🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 172.64.32.183🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| A | 173.245.58.183🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | laura.ns.cloudflare.com | ||||||
| NS | rocco.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c79🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c379🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2379🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| A | 108.162.195.121🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| A | 162.159.44.121Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| A | 172.64.35.121🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rocco.ns.cloudflare.com | ||||||
| MX | route1.mx.cloudflare.net ⭐ | ||||||
| A | 2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| MX | route3.mx.cloudflare.net(14) | ||||||
| A | 2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| MX | route2.mx.cloudflare.net(66) | ||||||
| A | 2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| TXT | google-site-verification=XSHlteLKuAQrif9yhE9wpc2kB8mNpOyijhC-_VoY0x0 | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| SOA | laura.ns.cloudflare.comdns@cloudflare.com serial=2401265921 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776393612 | ||||||
Same first word
structurecalcs.com |
DNS History
16 records (7 active, 9 former)
●NSlaura.ns.cloudflare.com2026-03-26 → 2026-04-17 · 3 obs
● 2026-03-26 04:24:06
● 2026-04-17 02:59:42
○NSns11.domaincontrol.com2015-07-01 → 2017-02-01 · 4 obs
● 2017-02-01 23:00:36
○ 2020-01-22 17:14:22
○ 2026-04-17 02:59:42
○NSns12.domaincontrol.com2015-07-01 → 2017-02-01 · 4 obs
● 2017-02-01 23:00:36
○ 2020-01-22 17:14:22
○ 2026-04-17 02:59:42
●NSrocco.ns.cloudflare.com2026-03-26 → 2026-04-17 · 3 obs
● 2026-03-26 04:24:06
● 2026-04-17 02:59:42
○MXmailstore1.secureserver.net2015-07-01 → 2017-02-01 · 4 obs
● 2017-02-01 23:00:36
○ 2020-01-22 17:14:22
○ 2026-04-17 02:59:42
●MXroute1.mx.cloudflare.net2026-03-26 → 2026-04-17 · 3 obs
● 2026-03-26 04:24:06
● 2026-04-17 02:59:42
●MXroute2.mx.cloudflare.net2026-03-26 → 2026-04-17 · 3 obs
● 2026-03-26 04:24:06
● 2026-04-17 02:59:42
●MXroute3.mx.cloudflare.net2026-03-26 → 2026-04-17 · 3 obs
● 2026-03-26 04:24:06
● 2026-04-17 02:59:42
○MXsmtp.secureserver.net2015-07-01 → 2017-02-01 · 4 obs
● 2017-02-01 23:00:36
○ 2020-01-22 17:14:22
○ 2026-04-17 02:59:42
○A184.168.221.492015-07-01 → 2017-02-01 · 4 obs
● 2017-02-01 23:00:36
○ 2020-01-22 17:14:22
○ 2026-04-17 02:59:42
○A209.34.235.182026-03-26 → 2026-04-09 · 6 obs
● 2026-03-26 04:24:06
○ 2026-04-02 13:11:46
● 2026-04-09 23:54:06
○ 2026-04-11 22:01:16
○ 2026-04-17 02:59:42
○A23.142.184.1292026-04-02 → 2026-04-02 · 4 obs
● 2026-04-02 13:11:46
○ 2026-04-09 23:54:06
○ 2026-04-17 02:59:42
●A23.236.116.772026-04-11 → 2026-04-17 · 3 obs
● 2026-04-11 22:01:16
● 2026-04-17 02:59:42
○A2600:3007:4401:100:bced:b7ff:feca:13222026-03-26 → 2026-04-11 · 7 obs
● 2026-03-26 04:24:06
○ 2026-04-02 13:11:46
○ 2026-04-09 23:54:06
● 2026-04-11 22:01:16
○ 2026-04-15 05:38:24
○ 2026-04-17 02:59:42
○A2600:c00:2:100:5010:34ff:fe2b:3d9a2026-04-02 → 2026-04-02 · 4 obs
● 2026-04-02 13:11:46
○ 2026-04-09 23:54:06
○ 2026-04-17 02:59:42
●A2602:fb2b:120:100:e86a:b3ff:fe92:77ea2026-04-09 → 2026-04-17 · 5 obs
● 2026-04-09 23:54:06
○ 2026-04-11 22:01:16
● 2026-04-15 05:38:24
● 2026-04-17 02:59:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net... | - |
| structurecalcs.com | laura.ns.cloudflare.com, rocco.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.183
NS records: laura.ns.cloudflare.com, rocco.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.34.235.18 |
| AAAA | 1 | 2602:fb2b:120:100:e86a:b3ff:fe92:77ea |
| NS | 2 | laura.ns.cloudflare.com, rocco.ns.cloudflare.com |
| MX | 3 | route3.mx.cloudflare.net (pri: 14), route1.mx.cloudflare.net (pri: 6)... |
| TXT | 2 | google-site-verification=XSHlteLKuAQrif9, v=spf1 include:_spf.mx.cloudflare.net ~a |
| SOA | 1 | laura.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (laura.ns.cloudflare.com, laura.ns.cloudflare.com, laura.ns.cloudflare.com...)
Analysis
IP Addresses
structurecalcs.com points to two IP numbers: 2602:fb2b:120:100:e86a:b3ff:fe92:77ea and 23.236.116.77.
Other host names, for instance rivvir.com, subnet.ch, samlinux.at, labslmc.com and fxgst.com share IP numbers with structurecalcs.com.
Name Servers
structurecalcs.com's delegation is to two name servers laura.ns.cloudflare.com and rocco.ns.cloudflare.com.
structurecalcs.com shares the same name server configuration as other domains, such as grmpft.de, mostbet-play-live-casino.life, live-casino-turkiye.life, xtremesafety.com and live-casino-turkey.life.
structurecalcs.com at least partially shares its name servers with other domains, for instance asterhospital.com, monkeybiz.com.br, darulfikir.com.my, fund-fusion.com and roligaspel.eu.
these name servers are commonly used together with athena.ns.cloudflare.com, augustus.ns.cloudflare.com, carter.ns.cloudflare.com and mike.ns.cloudflare.com.
Host names with six IP numbers:
laura.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab7, 2803:f800:50::6ca2:c0b7, 2a06:98c1:50::ac40:20b7, 108.162.192.183, 172.64.32.183 and 173.245.58.183.
rocco.ns.cloudflare.com points to: 2606:4700:58::a29f:2c79, 2803:f800:50::6ca2:c379, 2a06:98c1:50::ac40:2379, 108.162.195.121, 162.159.44.121 and 172.64.35.121.
Mail Servers
structurecalcs.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.
structurecalcs.com shares some mail servers with other domains, including aggienet.com, avora15.com, casinoscoolzino.fr, blossomdate.com and indexsignal.net.
Host names with six IP numbers:
route1.mx.cloudflare.net has IPs 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.
route2.mx.cloudflare.net has IPs 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.
route3.mx.cloudflare.net has IPs 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.