duodoer.com - robtex.com

duodoer.com

DNSSEC⚠️ Not signed
A18.160.18.48🇺🇸 Amazon18.160.16.0/21
PTRserver-18-160-18-48.iad12.r.cloudfront.net
A18.160.18.58🇺🇸 Amazon18.160.16.0/21
A18.160.18.79🇺🇸 Amazon18.160.16.0/21
A18.160.18.111🇺🇸 Amazon18.160.16.0/21
NSns-286.awsdns-35.com ⭐
A2600:9000:5301:1e00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-286.awsdns-35.com
A205.251.193.30🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-286.awsdns-35.com
NSns-1102.awsdns-09.org
A2600:9000:5304:4e00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1102.awsdns-09.org
A205.251.196.78🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1102.awsdns-09.org
NSns-1811.awsdns-34.co.uk
A2600:9000:5307:1300::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1811.awsdns-34.co.uk
A205.251.199.19🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1811.awsdns-34.co.uk
NSns-976.awsdns-58.net
A2600:9000:5303:d000::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-976.awsdns-58.net
A205.251.195.208🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-976.awsdns-58.net
MXinbound-smtp.us-east-1.amazonaws.com ⭐
A3.211.210.226🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-211-210-226.compute-1.amazonaws.com
A44.206.9.87🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-206-9-87.compute-1.amazonaws.com
A44.210.166.32🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix
PTRec2-44-210-166-32.compute-1.amazonaws.com
A54.164.173.191🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix
PTRec2-54-164-173-191.compute-1.amazonaws.com
A54.197.5.236🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15
PTRec2-54-197-5-236.compute-1.amazonaws.com
TXTgoogle-site-verification=2_egs8fNgxgILo8Z9C8fdsgQ18q37nwWkF4Xujnea64
SOAns-286.awsdns-35.comawsdns-hostmaster@amazon.com serial=1

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=1771291435

Same first word

duodoer.com

Similar names

edudoro.eu
edurodo.com
deodour.com
edudoor.in
edudoro.com
doroedu.com
edudoor.net
edudoor.com

DNS History

29 records (9 active, 20 former)

NSns-1102.awsdns-09.orgns-1811.awsdns-34.co.ukns-286.awsdns-35.comns-976.awsdns-58.netMXinbound-smtp.us-east-1.amazonaws.comA18.160.18.11118.160.18.4818.160.18.5818.160.18.7913.249.126.10113.249.126.11013.249.126.4113.249.126.4213.33.82.10313.33.82.11113.33.82.4313.33.82.613.174.113.1153.174.113.333.174.113.443.174.113.8152.222.177.10552.222.177.3952.222.177.9652.222.177.9852.85.31.1052.85.31.12552.85.31.6652.85.31.67
●NSns-1102.awsdns-09.org2026-02-15 → 2026-03-23 · 2 obs
● 2026-02-15 19:31:56
● 2026-03-23 22:46:34
●NSns-1811.awsdns-34.co.uk2026-02-15 → 2026-03-23 · 2 obs
● 2026-02-15 19:31:56
● 2026-03-23 22:46:34
●NSns-286.awsdns-35.com2026-02-15 → 2026-03-23 · 2 obs
● 2026-02-15 19:31:56
● 2026-03-23 22:46:34
●NSns-976.awsdns-58.net2026-02-15 → 2026-03-23 · 2 obs
● 2026-02-15 19:31:56
● 2026-03-23 22:46:34
●MXinbound-smtp.us-east-1.amazonaws.com2026-02-15 → 2026-03-23 · 2 obs
● 2026-02-15 19:31:56
● 2026-03-23 22:46:34
○A13.249.126.1012026-02-15 → 2026-03-16 · 37 obs
● 2026-02-15 19:31:56
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○A13.249.126.1102026-02-15 → 2026-03-16 · 37 obs
● 2026-02-15 19:31:56
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○ 2026-02-18 02:56:36
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○ 2026-03-23 22:46:34
○A13.249.126.412026-02-15 → 2026-03-16 · 37 obs
● 2026-02-15 19:31:56
● 2026-02-17 15:19:40
○ 2026-02-18 02:56:36
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● 2026-02-18 12:31:00
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○A13.249.126.422026-02-15 → 2026-03-16 · 37 obs
● 2026-02-15 19:31:56
● 2026-02-17 15:19:40
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○A13.33.82.1032026-03-08 → 2026-03-08 · 4 obs
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● 2026-03-08 23:50:30
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○A13.33.82.1112026-03-08 → 2026-03-08 · 4 obs
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● 2026-03-08 23:50:30
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○A13.33.82.432026-03-08 → 2026-03-08 · 4 obs
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● 2026-03-08 23:50:30
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○A13.33.82.612026-03-08 → 2026-03-08 · 4 obs
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● 2026-03-08 23:50:30
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●A18.160.18.1112026-02-18 → 2026-03-23 · 27 obs
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●A18.160.18.482026-02-18 → 2026-03-23 · 27 obs
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●A18.160.18.582026-02-18 → 2026-03-23 · 27 obs
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●A18.160.18.792026-02-18 → 2026-03-23 · 27 obs
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○A3.174.113.1152026-03-22 → 2026-03-23 · 12 obs
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○A3.174.113.332026-03-22 → 2026-03-23 · 12 obs
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○A3.174.113.442026-03-22 → 2026-03-23 · 12 obs
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○A3.174.113.812026-03-22 → 2026-03-23 · 12 obs
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○A52.222.177.1052026-02-18 → 2026-03-23 · 44 obs
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○A52.222.177.392026-02-18 → 2026-03-23 · 44 obs
○ 2026-02-17 15:19:40
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○A52.222.177.982026-02-18 → 2026-03-23 · 44 obs
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○A52.85.31.1252026-03-07 → 2026-03-22 · 11 obs
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○A52.85.31.662026-03-07 → 2026-03-22 · 11 obs
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🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net...-
duodoer.comns-286.awsdns-35.com, ns-976.awsdns-58.net, ns-1102.awsdns-09.org, ns-1811.awsdns-34.co.uk1 record

✅ Authoritative Response

Server:205.251.199.19

NS records: ns-286.awsdns-35.com, ns-976.awsdns-58.net, ns-1102.awsdns-09.org, ns-1811.awsdns-34.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duodoer.com (unsigned zone)

⏱️ Timing

Total: 612ms | Queries: -

📄 Records

TypeCountSample Data
A418.160.18.48, 18.160.18.58...
NS4ns-1102.awsdns-09.org, ns-1811.awsdns-34.co.uk...
MX1inbound-smtp.us-east-1.amazonaws.com (pr
TXT1google-site-verification=2_egs8fNgxgILo8
SOA1ns-286.awsdns-35.com awsdns-hostmaster.a

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-286.awsdns-35.com)

Analysis

IP Addresses

duodoer.com maps to four IP numbers: 18.160.18.48, 18.160.18.58, 18.160.18.79 and 18.160.18.111.

Other host names such as d32gofyp1jublw.cloudfront.net, flackcheck.org, management.leap.build, static-dev.syok.my and d2a9d5ne63367j.cloudfront.net share IPs with duodoer.com.

Name Servers

duodoer.com is delegated to four name servers: ns-286.awsdns-35.com, ns-976.awsdns-58.net, ns-1102.awsdns-09.org and ns-1811.awsdns-34.co.uk.

duodoer.com at least partially shares name servers with other domains, for example hyup.com, texcido-thaut.com, telepixtv.com, yaadin.com and lifegatebaptist.com.au.

Host names with two IP numbers:

ns-286.awsdns-35.com points to: 2600:9000:5301:1e00::1 and 205.251.193.30

ns-976.awsdns-58.net points to: 2600:9000:5303:d000::1 and 205.251.195.208

ns-1102.awsdns-09.org points to: 2600:9000:5304:4e00::1 and 205.251.196.78

ns-1811.awsdns-34.co.uk points to: 2600:9000:5307:1300::1 and 205.251.199.19

Mail Servers

The inbound-smtp.us-east-1.amazonaws.com mail server handles duodoer.com.

duodoer.com shares the same mail server setup as other domains, including ico-gruppe.slack.com, fresco.me, christianbjerre.com, graficalc.com and five3.nl.

duodoer.com shares at least partially some mail servers with other domains, for instance coatesgroup.atlassian.net, rotondatest.atlassian.net, ezo.in, cricinfo.com and litehelp.atlassian.net.

these mail servers are often used together with inbound-smtp.us-west-2.amazonaws.com, aspmx.l.google.com and alt2.aspmx.l.google.com.

The host name inbound-smtp.us-east-1.amazonaws.com points to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.