first.dev - robtex.com

first.dev

DNSSECโš ๏ธ Not signed
A50.87.145.6๐Ÿ‡บ๐Ÿ‡ธ EIGI50.87.0.0/16 Unified Layer
PTRmail.nobispreschool.com
NSns-cloud-d1.googledomains.com โญ
A2001:4860:4802:32::6d๐Ÿ‡บ๐Ÿ‡ธ Google2001:4860::/32
PTRns-cloud-d1.googledomains.com
A216.239.32.109๐Ÿ‡บ๐Ÿ‡ธ Google216.239.32.0/24
PTRns-cloud-d1.googledomains.com
NSns-cloud-d2.googledomains.com
A2001:4860:4802:34::6d๐Ÿ‡บ๐Ÿ‡ธ Google2001:4860::/32
PTRns-cloud-d2.googledomains.com
A216.239.34.109๐Ÿ‡บ๐Ÿ‡ธ Google216.239.34.0/24
PTRns-cloud-d2.googledomains.com
NSns-cloud-d3.googledomains.com
A2001:4860:4802:36::6d๐Ÿ‡บ๐Ÿ‡ธ Google2001:4860::/32
PTRns-cloud-d3.googledomains.com
A216.239.36.109๐Ÿ‡บ๐Ÿ‡ธ Google216.239.36.0/24
PTRns-cloud-d3.googledomains.com
NSns-cloud-d4.googledomains.com
A2001:4860:4802:38::6d๐Ÿ‡บ๐Ÿ‡ธ Google2001:4860::/32
PTRns-cloud-d4.googledomains.com
A216.239.38.109๐Ÿ‡บ๐Ÿ‡ธ Google216.239.38.0/24
PTRns-cloud-d4.googledomains.com
MXfirst-dev.mail.protection.outlook.com โญ
A2a01:111:f403:ca04::6๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00406.inbound.protection.outlook.com
A2a01:111:f403:ca04::c๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca04::10๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-dbapr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::8๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A52.101.68.29๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbapr03cu00105.inbound.protection.outlook.com
A52.101.68.32๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db3pr0202cu00200.inbound.protection.outlook.com
A52.101.73.1๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am3pr04cu00501.inbound.protection.outlook.com
A52.101.73.11๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am1pr04cu00103.inbound.protection.outlook.com
TXTatlassian-domain-verification=9OZa3morLoBpnZZhCFIaRc1sQlmIH7XSf2aJFZeNdCoCaya...
TXTMS=ms14769991
TXTv=spf1 include:spf.protection.outlook.com -all
TXTatlassian-domain-verification=xLtH15aEqGbzwBiL5MInOPOnzlolt0TBSYKGaGuvnj665Yz...
TXTgoogle-site-verification=2jZyf8AV2EHaywIF-zUfM9aQIQzjdkf9fr3iIQdASG4
SOAns-cloud-d1.googledomains.comcloud-dns-hostmaster@google.com serial=1

dev

DNSSEC๐Ÿ”’ Signed (DS record present)
NSns-tld1.charlestonroadregistry.com โญ
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
๐Ÿ”’ HSTS Preload (+subdomains)

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

NSns-cloud-d1.googledomains.comns-cloud-d2.googledomains.comns-cloud-d3.googledomains.comns-cloud-d4.googledomains.comMXfirst-dev.mail.protection.outlook.comA50.87.145.6
โ—NSns-cloud-d1.googledomains.com2026-03-01 โ†’ 2026-03-02 ยท 2 obs
โ— 2026-03-01 17:11:08
โ— 2026-03-02 11:29:50
โ—NSns-cloud-d2.googledomains.com2026-03-01 โ†’ 2026-03-02 ยท 2 obs
โ— 2026-03-01 17:11:08
โ— 2026-03-02 11:29:50
โ—NSns-cloud-d3.googledomains.com2026-03-01 โ†’ 2026-03-02 ยท 2 obs
โ— 2026-03-01 17:11:08
โ— 2026-03-02 11:29:50
โ—NSns-cloud-d4.googledomains.com2026-03-01 โ†’ 2026-03-02 ยท 2 obs
โ— 2026-03-01 17:11:08
โ— 2026-03-02 11:29:50
โ—MXfirst-dev.mail.protection.outlook.com2026-03-01 โ†’ 2026-03-02 ยท 2 obs
โ— 2026-03-01 17:11:08
โ— 2026-03-02 11:29:50
โ—A50.87.145.62026-03-01 โ†’ 2026-03-02 ยท 2 obs
โ— 2026-03-01 17:11:08
โ— 2026-03-02 11:29:50

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
devns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...-
first.devns-cloud-d2.googledomains.com, ns-cloud-d4.googledomains.com, ns-cloud-d1.googledomains.com, ns-cloud-d3.googledomains.com-

โœ… Authoritative Response

Server: 216.239.34.109

NS records: ns-cloud-d2.googledomains.com, ns-cloud-d4.googledomains.com, ns-cloud-d1.googledomains.com, ns-cloud-d3.googledomains.com

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for first.dev (unsigned zone)

โฑ๏ธ Timing

Total: 707ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A150.87.145.6
NS4ns-cloud-d2.googledomains.com, ns-cloud-d1.googledomains.com...
MX1first-dev.mail.protection.outlook.com (p
TXT5atlassian-domain-verification=9OZa3morLo, google-site-verification=2jZyf8AV2EHaywI...
SOA1ns-cloud-d1.googledomains.com cloud-dns-

Analysis

IP Addresses

first.dev resolves to one IP number: 50.87.145.6.

Other host names, for instance b.gy, 50-87-145-6.unifiedlayer.com, nyhaircut.com, nobispreschool.com and mail.additivecolours.com share IP numbers with first.dev.

Name Servers

first.dev delegates to four name servers: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.

first.dev at least partially shares name servers with other domains, including wakuwaku-japan.info, pcmag.com.br, wwdev.net, tae.solutions and takeshots.com.

Host names with two IP numbers: ns-cloud-d1.googledomains.com points to 2001:4860:4802:32::6d and 216.239.32.109; ns-cloud-d2.googledomains.com points to 2001:4860:4802:34::6d and 216.239.34.109; ns-cloud-d3.googledomains.com points to 2001:4860:4802:36::6d and 216.239.36.109; ns-cloud-d4.googledomains.com points to 2001:4860:4802:38::6d and 216.239.38.109.

Mail Servers

A single mail server handles first.dev, first-dev.mail.protection.outlook.com.

Host first-dev.mail.protection.outlook.com points to eight IPs: 2a01:111:f403:ca04::6, 2a01:111:f403:ca04::c, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::8, 52.101.68.29, 52.101.68.32, 52.101.73.1 and 52.101.73.11.