duin.dev - dns.ninja

duin.dev

DNSSEC⚠️ Not signed
A34.231.99.47🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix
PTRec2-34-231-99-47.compute-1.amazonaws.com
NSns-94.awsdns-11.com
A2600:9000:5300:5e00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-94.awsdns-11.com
A205.251.192.94🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-94.awsdns-11.com
NSns-1427.awsdns-50.org
A2600:9000:5305:9300::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1427.awsdns-50.org
A205.251.197.147🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1427.awsdns-50.org
NSns-2009.awsdns-59.co.uk
A2600:9000:5307:d900::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-2009.awsdns-59.co.uk
A205.251.199.217🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-2009.awsdns-59.co.uk
NSns-533.awsdns-02.net
A2600:9000:5302:1500::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-533.awsdns-02.net
A205.251.194.21🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-533.awsdns-02.net
MXduin-dev.mail.protection.outlook.com
A2a01:111:f403:c903::3🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-mw2pr02cu00503.inbound.protection.outlook.com
A2a01:111:f403:c91d::a🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-co1pr21cu00202.inbound.protection.outlook.com
A2a01:111:f403:c946::5🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-ch4pr21cu00105.inbound.protection.outlook.com
A2a01:111:f403:f802::🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-byapr05cu00400.inbound.protection.outlook.com
A52.101.9.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr05cu00504.inbound.protection.outlook.com
A52.101.9.14🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bl0pr03cu00206.inbound.protection.outlook.com
A52.101.41.4🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sj2pr05cu00204.inbound.protection.outlook.com
A52.101.194.15🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns-94.awsdns-11.comawsdns-hostmaster@amazon.com serial=1

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

NSns-1427.awsdns-50.orgns-2009.awsdns-59.co.ukns-533.awsdns-02.netns-94.awsdns-11.comMXduin-dev.mail.protection.outlook.comA34.231.99.47
NSns-1427.awsdns-50.org2026-02-23 → 2026-06-30 · 2 obs
● 2026-02-23 18:59:58
● 2026-06-30 00:38:02
NSns-2009.awsdns-59.co.uk2026-02-23 → 2026-06-30 · 2 obs
● 2026-02-23 18:59:58
● 2026-06-30 00:38:02
NSns-533.awsdns-02.net2026-02-23 → 2026-06-30 · 2 obs
● 2026-02-23 18:59:58
● 2026-06-30 00:38:02
NSns-94.awsdns-11.com2026-02-23 → 2026-06-30 · 2 obs
● 2026-02-23 18:59:58
● 2026-06-30 00:38:02
MXduin-dev.mail.protection.outlook.com2026-02-23 → 2026-06-30 · 2 obs
● 2026-02-23 18:59:58
● 2026-06-30 00:38:02
A34.231.99.472026-02-23 → 2026-06-30 · 2 obs
● 2026-02-23 18:59:58
● 2026-06-30 00:38:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
duin.devns-94.awsdns-11.com, ns-533.awsdns-02.net, ns-1427.awsdns-50.org, ns-2009.awsdns-59.co.uk-

✅ Authoritative Response

Server:205.251.194.21

NS records: ns-94.awsdns-11.com, ns-533.awsdns-02.net, ns-1427.awsdns-50.org, ns-2009.awsdns-59.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duin.dev (unsigned zone)

⏱️ Timing

Total: 534ms | Queries: -

📄 Records

TypeCountSample Data
A134.231.99.47
NS4ns-1427.awsdns-50.org, ns-2009.awsdns-59.co.uk...
MX1duin-dev.mail.protection.outlook.com (pr
TXT1v=spf1 include:spf.protection.outlook.co
SOA1ns-94.awsdns-11.com awsdns-hostmaster.am

Analysis

IP Addresses

duin.dev has exactly one IP address — 34.231.99.47.

Other host names share IP numbers with duin.dev; ec2-34-231-99-47.compute-1.amazonaws.com is one such example.

Name Servers

Four name servers handle the delegation for duin.dev: ns-94.awsdns-11.com, ns-533.awsdns-02.net, ns-1427.awsdns-50.org and ns-2009.awsdns-59.co.uk.

duin.dev partially shares its NS delegation with several other domains, including dealfomo.com, contact.goto.com, gruppemdirect.com and two others.

ns-94.awsdns-11.com, ns-533.awsdns-02.net, ns-1427.awsdns-50.org and ns-2009.awsdns-59.co.uk each carry two IP addresses. ns-94.awsdns-11.com has 205.251.192.94 and 2600:9000:5300:5e00::1; ns-533.awsdns-02.net has 205.251.194.21 and 2600:9000:5302:1500::1; ns-1427.awsdns-50.org has 205.251.197.147 and 2600:9000:5305:9300::1; ns-2009.awsdns-59.co.uk has 205.251.199.217 and 2600:9000:5307:d900::1.

Mail Servers

duin.dev uses one mail server — duin-dev.mail.protection.outlook.com.

duin-dev.mail.protection.outlook.com has 8 IP addresses: 52.101.9.12, 52.101.9.14, 52.101.41.4 plus 5 more.