usd231.com - robtex.com
usd231.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 34.238.178.141🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix | ||||||
| PTR | ec2-34-238-178-141.compute-1.amazonaws.com | ||||||
| NS | ns61.worldnic.com ⭐ | ||||||
| A | 162.159.26.185Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns62.worldnic.com | ||||||
| A | 162.159.27.127Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| A | 2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48 | ||||||
| PTR | bk-in-f27.1e100.net | ||||||
| A | 172.253.62.27🇺🇸 Google172.253.62.0/24 | ||||||
| PTR | bc-in-f27.1e100.net | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| A | 2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48 | ||||||
| PTR | yutulis-in-f27.1e100.net | ||||||
| A | 74.125.27.26🇺🇸 Google74.125.27.0/24 | ||||||
| PTR | yutulis-in-f26.1e100.net | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| A | 2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48 | ||||||
| PTR | yucbful-in-f26.1e100.net | ||||||
| A | 192.178.209.26🇺🇸 Google192.178.209.0/24 | ||||||
| PTR | yucbful-in-f26.1e100.net | ||||||
| MX | alt3.aspmx.l.google.com(10) | ||||||
| A | 2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | mj-in-f27.1e100.net | ||||||
| A | 192.178.152.26🇺🇸 Google192.178.152.0/24 | ||||||
| PTR | mj-in-f26.1e100.net | ||||||
| MX | alt4.aspmx.l.google.com(10) | ||||||
| A | 2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | gg-in-f26.1e100.net | ||||||
| A | 142.250.96.27🇺🇸 Google142.250.96.0/24 | ||||||
| PTR | gg-in-f27.1e100.net | ||||||
| TXT | v=spf1 ip4:173.197.8.0/24 ip4:168.245.17.251 ip4:149.72.41.205 ip4:149.72.200... | ||||||
| TXT | cisco-ci-domain-verification=72224b3909a10bdd766a1578bee3980f0b53530f29f4e735... | ||||||
| TXT | duo_sso_verification=aVzE6Vgj44N37qvhvKABJWxlwAmJ0PCKUou8ug8k7dFWNfmNr5TYcfMF... | ||||||
| TXT | ZOOM_verify_MA2UnJKvRCeo58ZGqNZo3Q | ||||||
| TXT | apple-domain-verification=q2euN48zNBjByP3J | ||||||
| TXT | adobe-idp-site-verification=a5186a084a0f96b278698146b9e509cd74a524f4171793400... | ||||||
| TXT | duo_sso_verification=hoaJn5haNxk17e52kwclOBG15G0X86sy0Pb9hpRY4PA5aCJip7bFXkFr... | ||||||
| TXT | cisco-ci-domain-verification=298b20a0b139492b9ed2588a6e76d514fd2384e486db60d7... | ||||||
| TXT | schoology-domain-verification=eaa26af29ddabb36666f008f33f8b4dfd6b2b2a35e5487d... | ||||||
| TXT | google-site-verification=JK1xBtEq_gthOhH_CosDpZjMBil1GBV3Fy3lb1e7lX0 | ||||||
| TXT | google-site-verification=iy8H4AGDGCXYvFdDdyOvz6nGSrfNlc04RkU3RhI8hcI | ||||||
| SOA | NS61.WORLDNIC.comnamehost@WORLDNIC.com serial=126020312 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
PTR for
Subdomains
mail.usd231.com |
Same first word
Similar names
DNS History
15 records (8 active, 7 former)
●NSns61.worldnic.com2007-10-29 → 2026-03-12 · 2 obs
● 2026-03-12 16:42:08
●NSns62.worldnic.com2007-10-29 → 2026-03-12 · 2 obs
● 2026-03-12 16:42:08
●MXalt1.aspmx.l.google.com2015-11-25 → 2026-03-12 · 3 obs
● 2015-11-25 07:52:08
● 2026-03-12 16:42:08
●MXalt2.aspmx.l.google.com2015-11-25 → 2026-03-12 · 3 obs
● 2015-11-25 07:52:08
● 2026-03-12 16:42:08
●MXalt3.aspmx.l.google.com2016-02-27 → 2026-03-12 · 3 obs
● 2016-02-27 15:13:16
● 2026-03-12 16:42:08
●MXalt4.aspmx.l.google.com2016-02-27 → 2026-03-12 · 3 obs
● 2016-02-27 15:13:16
● 2026-03-12 16:42:08
●MXaspmx.l.google.com2015-11-25 → 2026-03-12 · 3 obs
● 2015-11-25 07:52:08
● 2026-03-12 16:42:08
○MXaspmx2.googlemail.com2015-11-25 → 2015-11-25 · 4 obs
● 2015-11-25 07:52:08
○ 2016-02-27 15:13:16
○ 2026-03-12 16:42:08
○MXaspmx3.googlemail.com2015-11-25 → 2015-11-25 · 4 obs
● 2015-11-25 07:52:08
○ 2016-02-27 15:13:16
○ 2026-03-12 16:42:08
○MXusd231-com.mail.protection.outlook.com2015-07-24 → 2015-07-24 · 4 obs
● 2015-07-24 09:18:50
○ 2015-11-25 07:52:08
○ 2026-03-12 16:42:08
○MXusd231.com.bak-mx.smtproutes.com2007-10-29 → 2007-10-29 · 3 obs
○ 2015-07-24 09:18:50
○ 2026-03-12 16:42:08
○MXusd231.com.pri-mx.smtproutes.com2007-10-29 → 2007-10-29 · 3 obs
○ 2015-07-24 09:18:50
○ 2026-03-12 16:42:08
○A206.169.199.812015-07-24 → 2017-12-08 · 4 obs
● 2015-07-24 09:18:50
● 2017-12-08 01:21:04
○ 2026-03-12 16:42:08
●A34.238.178.1412026-03-12 → 2026-03-12 · 2 obs
● 2026-03-12 16:42:08
○A63.166.91.242007-10-29 → 2007-10-29 · 3 obs
○ 2015-07-24 09:18:50
○ 2026-03-12 16:42:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| usd231.com | ns61.worldnic.com, ns62.worldnic.com | 2 records |
✅ Authoritative Response
Server: 162.159.27.127
NS records: ns61.worldnic.com, ns62.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usd231.com (unsigned zone)
⏱️ Timing
Total: 295ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.238.178.141 |
| NS | 2 | ns61.worldnic.com, ns62.worldnic.com |
| MX | 5 | aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)... |
| TXT | 11 | v=spf1 ip4:173.197.8.0/24 ip4:168.245.17, cisco-ci-domain-verification=72224b3909a... |
| SOA | 1 | NS61.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns61.worldnic.com, ns62.worldnic.com)
Analysis
Hierarchy
usd231.com is a parent of mail.usd231.com.
IP Addresses
usd231.com points to a single IP number: 34.238.178.141.
Other host names, for instance kimball.k12.mn.us, asisd.com, eastchambers.net, wapak.org and crothersville.k12.in.us share IP numbers with usd231.com.
Name Servers
Delegation for usd231.com rests with two name servers, ns61.worldnic.com and ns62.worldnic.com.
usd231.com shares the same name server setup as other domains, including bratttree.com, ementee.com, interstateagplastics.com, ten-law.com and osgf.org.
Host names with one IP number: ns61.worldnic.com points to 162.159.26.185; ns62.worldnic.com points to 162.159.27.127.
Mail Servers
usd231.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
usd231.com shares mail servers with other domains at least in part, for instance ns500754.ns500742.ns500731.ns500671.ns500731.ns500731.ns500705.ns500705.ns500291.ns500678.ns500678.tenderladiesbz.com, ns500759.ns500698.ns500758.ns500698.ns500735.ns500735.ns500736.ns500698.ns500708.ns500686.ns500686.ns500619.ns500576.trackreceptor.com, ns500698.ns500758.ns500759.ns500736.ns500735.ns500698.ns500698.ns500735.ns500708.ns500686.ns500686.ns500576.ns500619.trackreceptor.com, ns500699.ns500734.ns500699.ns500693.ns500588.ns500588.ns500699.ns500683.ns500632.ns500588.ns500612.ns500612.ns500612.ns500110.dtrkdll.com and ns500734.ns500734.ns500699.ns500699.ns500699.ns500734.ns500734.ns500699.ns500699.ns500693.ns500588.ns500693.ns500588.ns500588.ns500588.ns500588.ns500110.dtrkdll.com.
these mail servers are often used with aspmx3.googlemail.com and aspmx2.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 172.253.62.27.
alt1.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26.
alt2.aspmx.l.google.com points to 2607:f8b0:4001:c70::1a and 192.178.209.26.
alt3.aspmx.l.google.com points to 2607:f8b0:4024:c0d::1b and 192.178.152.26.
alt4.aspmx.l.google.com points to 2607:f8b0:4023:403::1a and 142.250.96.27.