mail.guide.co - robtex.com

mail.guide.co

DNSSEC⚠️ Not signed
MXmx.sendgrid.net ⭐
A3.17.120.38🇺🇸 Amazon3.16.0.0/14 EC2 CMH prefix
PTRec2-3-17-120-38.us-east-2.compute.amazonaws.com
A3.136.245.72🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix
PTRec2-3-136-245-72.us-east-2.compute.amazonaws.com
A13.216.54.185🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix
PTRec2-13-216-54-185.compute-1.amazonaws.com
A15.222.160.229🇨🇦 Amazon15.222.0.0/15 EC2 YUL prefix
PTRec2-15-222-160-229.ca-central-1.compute.amazonaws.com
A16.52.61.209🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix
PTRec2-16-52-61-209.ca-central-1.compute.amazonaws.com
A16.52.110.174🇺🇸 Amazon16.52.0.0/16 EC2 YUL prefix
PTRec2-16-52-110-174.ca-central-1.compute.amazonaws.com
A18.224.101.244🇺🇸 Amazon18.224.0.0/14 EC2 CMH prefix
PTRec2-18-224-101-244.us-east-2.compute.amazonaws.com
A34.198.67.24🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix
PTRec2-34-198-67-24.compute-1.amazonaws.com
A44.216.124.122🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-216-124-122.compute-1.amazonaws.com
A44.245.249.202🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix
PTRec2-44-245-249-202.us-west-2.compute.amazonaws.com
A52.25.213.239🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix
PTRec2-52-25-213-239.us-west-2.compute.amazonaws.com
A52.37.49.26🇺🇸 Amazon52.36.0.0/14 EC2 PDX prefix
PTRec2-52-37-49-26.us-west-2.compute.amazonaws.com

guide.co

DNSSEC🔒 Signed (DS record present)
A198.202.211.1🇺🇸 CLOUDFLARESPECTRUM198.202.211.0/24 Webflow
NSns-cloud-c1.googledomains.com ⭐
NSns-cloud-c2.googledomains.com
NSns-cloud-c3.googledomains.com
NSns-cloud-c4.googledomains.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTproxy-ssl.webflow.com
TXTv=spf1 include:_spf.google.com ~all
SOAns-cloud-c1.googledomains.comcloud-dns-hostmaster@google.com serial=108
📈 Tranco rank: #561,706

Same first word

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DNS History

13 records (1 active, 12 former)

20162017201820192020202120222023202420252026MXmx.sendgrid.netA107.21.16.23152.200.28.16652.21.89.16054.172.149.5154.174.164.9454.85.109.14154.86.91.22554.88.25.227CNAMEpr-co-premiums.go.copr-co-premiums.neuweb.bizreg-pr-web-premiums-go-co-719076926.us-east-1.elb.amazonaws.comws-pr-web-premiumpages-942494887.us-east-1.elb.amazonaws.com
●MXmx.sendgrid.net2026-03-28 → 2026-08-10 · 5 obs
● 2026-03-28 15:02:32
● 2026-06-10 07:16:38
○ 2026-06-11 00:29:54
● 2026-06-11 10:15:48
● 2026-08-10 10:42:14
○A107.21.16.2312015-10-17 → 2015-10-17 · 4 obs
○ 2015-05-25 00:14:56
● 2015-10-17 16:46:22
○ 2015-12-17 19:10:40
○ 2026-08-10 10:42:14
○A52.200.28.1662016-07-08 → 2016-07-08 · 4 obs
○ 2015-12-17 19:10:40
● 2016-07-08 17:55:20
○ 2026-03-28 15:02:32
○ 2026-08-10 10:42:14
○A52.21.89.1602016-07-08 → 2016-07-08 · 4 obs
○ 2015-12-17 19:10:40
● 2016-07-08 17:55:20
○ 2026-03-28 15:02:32
○ 2026-08-10 10:42:14
○A54.172.149.512015-10-17 → 2015-10-17 · 4 obs
○ 2015-05-25 00:14:56
● 2015-10-17 16:46:22
○ 2015-12-17 19:10:40
○ 2026-08-10 10:42:14
○A54.174.164.942015-05-25 → 2015-05-25 · 3 obs
● 2015-05-25 00:14:56
○ 2026-03-28 15:02:32
○ 2026-08-10 10:42:14
○A54.85.109.1412015-12-17 → 2015-12-17 · 4 obs
○ 2015-10-17 16:46:22
● 2015-12-17 19:10:40
○ 2016-07-08 17:55:20
○ 2026-08-10 10:42:14
○A54.86.91.2252015-12-17 → 2015-12-17 · 4 obs
○ 2015-10-17 16:46:22
● 2015-12-17 19:10:40
○ 2016-07-08 17:55:20
○ 2026-08-10 10:42:14
○A54.88.25.2272015-05-25 → 2015-05-25 · 3 obs
● 2015-05-25 00:14:56
○ 2026-03-28 15:02:32
○ 2026-08-10 10:42:14
○CNAMEpr-co-premiums.go.co2016-07-08 → 2016-07-08 · 4 obs
○ 2015-12-17 19:10:40
● 2016-07-08 17:55:20
○ 2026-03-28 15:02:32
○ 2026-08-10 10:42:14
○CNAMEpr-co-premiums.neuweb.biz2015-05-25 → 2015-12-17 · 4 obs
● 2015-05-25 00:14:56
● 2015-12-17 19:10:40
○ 2016-07-08 17:55:20
○ 2026-08-10 10:42:14
○CNAMEreg-pr-web-premiums-go-co-719076926.us-east-1.elb.amazonaws.com2016-07-08 → 2016-07-08 · 4 obs
○ 2015-12-17 19:10:40
● 2016-07-08 17:55:20
○ 2026-03-28 15:02:32
○ 2026-08-10 10:42:14
○CNAMEws-pr-web-premiumpages-942494887.us-east-1.elb.amazonaws.com2015-10-17 → 2015-12-17 · 5 obs
○ 2015-05-25 00:14:56
● 2015-10-17 16:46:22
● 2015-12-17 19:10:40
○ 2016-07-08 17:55:20
○ 2026-08-10 10:42:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co-
guide.cons-cloud-c4.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c2.googledomains.com-

✅ Authoritative Response

Server:216.239.34.108

NS records: ns-cloud-c4.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c2.googledomains.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1281ms | Queries: -

📄 Records

TypeCountSample Data
MX1mx.sendgrid.net (pri: 10)

Analysis

Mail Servers

mail.guide.co has one mail server: mx.sendgrid.net.

mail.guide.co shares the same mail server setup as other domains, including u2447236.wl237.sendgrid.net, appcentral.info, solve(0x73686974).com and two others.

mail.guide.co shares mail servers — at least in part — with other domains, including gtorh.com.br, across.com.br, rentio.be and two others.

These mail servers are frequently used alongside mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 4 other.

mx.sendgrid.net points to 12 IP numbers: 3.17.120.38, 3.136.245.72, 13.216.54.185 and 9 other.