duelduo.com - robtex.com

duelduo.com

DNSSEC⚠️ Not signed
A74.208.152.88🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRip74-208-152-88.pbiaas.com
NSns1066.ui-dns.org ⭐
A2001:8d8:fe:53:0:d9a0:5342:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1066.ui-dns.org
A217.160.83.66🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1066.ui-dns.org
NSns1022.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5216:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1022.ui-dns.com
A217.160.82.22🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1022.ui-dns.com
NSns1039.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5127:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1039.ui-dns.biz
A217.160.81.39🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1039.ui-dns.biz
NSns1102.ui-dns.de
A2607:f1c0:fe:53:185:132:32:102🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1102.ui-dns.de
A185.132.32.102🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRns1102.ui-dns.de
A217.160.80.102🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1102.ui-dns.de
MXmx00.ionos.com ⭐
A74.208.5.3🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRip-74-208-5-3.defastlink.net
MXmx01.ionos.com ⭐
A74.208.5.21🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx01.perfora.net
TXTv=spf1 include:_spf-us.ionos.com ~all
SOAns1066.ui-dns.orghostmaster@1und1.com 2017-06-01 #19

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=1774687907

Same first word

duelduo.com

Similar names

eduludo.com

DNS History

9 records (7 active, 2 former)

202120222023202420252026NSns1022.ui-dns.comns1039.ui-dns.bizns1066.ui-dns.orgns1102.ui-dns.deMXmx00.ionos.commx01.ionos.comA74.208.152.882607:f1c0:100f:f000::2a974.208.236.154
●NSns1022.ui-dns.com2020-01-19 → 2026-03-28 · 2 obs
● 2020-01-19 12:16:52
● 2026-03-28 09:06:50
●NSns1039.ui-dns.biz2020-01-19 → 2026-03-28 · 2 obs
● 2020-01-19 12:16:52
● 2026-03-28 09:06:50
●NSns1066.ui-dns.org2020-01-19 → 2026-03-28 · 2 obs
● 2020-01-19 12:16:52
● 2026-03-28 09:06:50
●NSns1102.ui-dns.de2020-01-19 → 2026-03-28 · 2 obs
● 2020-01-19 12:16:52
● 2026-03-28 09:06:50
●MXmx00.ionos.com2020-01-19 → 2026-03-28 · 2 obs
● 2020-01-19 12:16:52
● 2026-03-28 09:06:50
●MXmx01.ionos.com2020-01-19 → 2026-03-28 · 2 obs
● 2020-01-19 12:16:52
● 2026-03-28 09:06:50
○A2607:f1c0:100f:f000::2a92020-01-19 → 2020-01-19 · 2 obs
● 2020-01-19 12:16:52
○ 2026-03-28 09:06:50
●A74.208.152.882026-03-28 → 2026-03-28 · 2 obs
○ 2020-01-19 12:16:52
● 2026-03-28 09:06:50
○A74.208.236.1542020-01-19 → 2020-01-19 · 2 obs
● 2020-01-19 12:16:52
○ 2026-03-28 09:06:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...-
duelduo.comns1066.ui-dns.org, ns1102.ui-dns.de, ns1039.ui-dns.biz, ns1022.ui-dns.com2 records

✅ Authoritative Response

Server:217.160.83.66

NS records: ns1066.ui-dns.org, ns1102.ui-dns.de, ns1039.ui-dns.biz, ns1022.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duelduo.com (unsigned zone)

⏱️ Timing

Total: 543ms | Queries: -

📄 Records

TypeCountSample Data
A174.208.152.88
NS4ns1102.ui-dns.de, ns1066.ui-dns.org...
MX2mx01.ionos.com (pri: 10), mx00.ionos.com (pri: 10)
TXT1v=spf1 include:_spf-us.ionos.com ~all
SOA1ns1066.ui-dns.org hostmaster.1und1.com

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1022.ui-dns.com, ns1022.ui-dns.com)

Analysis

IP Addresses

duelduo.com points to a single IP address: 74.208.152.88.

Name Servers

duelduo.com is delegated to four name servers: ns1039.ui-dns.biz, ns1022.ui-dns.com, ns1102.ui-dns.de and ns1066.ui-dns.org.

duelduo.com at least partially shares name servers with other domains, for example havelwerbung.de, gs-wilhelm-busch.de, mowelectric.com, etiketten.co and posthamster.org.

these name servers are commonly used with the following name servers: ns1039.ui-dns.com, ns1039.ui-dns.de, ns1039.ui-dns.org, ns1066.ui-dns.biz, ns1066.ui-dns.com, ns1066.ui-dns.de, ns1102.ui-dns.biz, ns1102.ui-dns.com, ns1102.ui-dns.org and ns1022.ui-dns.org.

Host names with three IP numbers:

The host name ns1102.ui-dns.de points to: 2607:f1c0:fe:53:185:132:32:102, 185.132.32.102 and 217.160.80.102.

Host names with two IP numbers:

The host name ns1039.ui-dns.biz points to: 2001:8d8:fe:53:0:d9a0:5127:100 and 217.160.81.39.

The host name ns1022.ui-dns.com points to: 2001:8d8:fe:53:0:d9a0:5216:100 and 217.160.82.22.

The host name ns1066.ui-dns.org points to: 2001:8d8:fe:53:0:d9a0:5342:100 and 217.160.83.66.

Mail Servers

Two mail servers handle duelduo.com: mx00.ionos.com and mx01.ionos.com.

duelduo.com shares the same mail server setup as other domains, including antenna1.net, varvarisrow.com, advent-engineering-inc.com, ideal-cu.us and ecoprintpros.com.

duelduo.com shares some mail servers with other domains, for example rraud.com.

Host names with one IP number:

mx00.ionos.com points to 74.208.5.3; mx01.ionos.com points to 74.208.5.21.