b2bsde.att.com - robtex.com
b2bsde.att.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 144.160.219.84🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc. | ||||||
| NS | gslb1c.attdns.com ⚠️ Not in zone NS records | ||||||
| A | 135.209.156.17🇺🇸 AS797135.209.156.0/24 | ||||||
| PTR | gslb1c.attdns.com | ||||||
| NS | gslb2c.attdns.com ⚠️ Not in zone NS records | ||||||
| A | 144.160.215.254🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc. | ||||||
| PTR | gslb2c.attdns.com | ||||||
| NS | gslb3c.attdns.com ⚠️ Not in zone NS records | ||||||
| A | 170.35.215.82🇺🇸 AS797170.35.208.0/20 | ||||||
| PTR | gslb3c.attdns.com | ||||||
att.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 144.160.36.42🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc. | ||||||
| A | 144.160.155.43🇺🇸 AS797144.160.0.0/15 AT&T Services, Inc. | ||||||
| NS | ns0.attdns.com ⭐ | ||||||
| NS | a1-187.akam.net | ||||||
| NS | a11-65.akam.net | ||||||
| NS | a2-64.akam.net | ||||||
| NS | a22-67.akam.net | ||||||
| NS | a4-64.akam.net | ||||||
| NS | a5-66.akam.net | ||||||
| MX | mx0a-00191d01.pphosted.com ⭐ | ||||||
| MX | mx0b-00191d01.pphosted.com ⭐ | ||||||
| TXT | _lf5ez32jnsfjm9iqdgwqkvmtxmni1bv | ||||||
| TXT | google-site-verification=aEiNNWvbfCYfvmE1MB5FDlfTOXscCUfCQSBf5BsZnFQ | ||||||
| TXT | jamf-site-verification=UPRluCUJKO0tlsh28talrg | ||||||
| TXT | docusign=edf26ba5-075c-448c-a7b4-fd68e78606b3 | ||||||
| TXT | bv-domain-verification=38433e129a5a4d49af430708b3d204a9ccdc03e981b1773fb2ad2b... | ||||||
| TXT | hcp-domain-verification=25fbb0ef8d96ac4f31233dc30aabe5c5ac473f766bc5e1095ddf3... | ||||||
| TXT | google-site-verification=_tbHFE4ZquVgPnU4yn9c8mM4AwjDcnyvHYpUyY9W9A0 | ||||||
| TXT | Dynatrace-site-verification=782efa98-fcb0-4599-9392-282c3417bb85__mh2ditpbjlp... | ||||||
| TXT | TXT=apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8 | ||||||
| TXT | paloaltonetworks-site-verification=7b609d2323474fad0529ed82de1c57e250820f838c... | ||||||
| TXT | Dynatrace-site-verification=26243c34-7393-4498-bfcd-7a0cc073ef06__limahdkrv1b... | ||||||
| TXT | safebreach-domain-verification=87a47aa8-9dcf-4fc6-a0dc-645f6d8f16b7 | ||||||
| TXT | docker-verification=232baaa1-27ce-477a-a437-abe005244414 | ||||||
| TXT | google-site-verification=TDlxuIuUQhu-wSUgoz8Tuvpeevqqo4Kge7S-EJFFzrA | ||||||
| TXT | smartsheet-site-validation=p-TbLkF_n2KWTVSks3oGAlqmEY11P06i | ||||||
| TXT | censys-domain-verification=78kpf_YXBG6iZmORvVAIMSeoT9qA_Abl2TQ1NQ5BmvI2 | ||||||
| TXT | google-site-verification=61mMnbAFkug5Ga66TxJwJnHrccqsdXgjaYX4Dzh4fg4 | ||||||
| TXT | docusign=7c207f4f-1463-48ab-8a42-401d5a790153 | ||||||
| TXT | cisco-ci-domain-verification=3d21883a6bafd629173aea778e9e524288c5b6d037f0c3d6... | ||||||
| TXT | asv=811eb48ffe1a2bd2ca5ba9d4bc7d9737 | ||||||
| TXT | docusign=96684378-d4b4-426b-aa46-f484dcce317e | ||||||
| TXT | atlassian-domain-verification=sKDPLDFqqK6UKBe8hXqLj7n47sRNeN4C0TLWOyJI9jhbsY0... | ||||||
| TXT | docusign=cd78ab12-bff3-4e95-9d5e-40b4a6c64e28 | ||||||
| TXT | postman-domain-verification=feeae2e09f081a0e723f0c57fe50bfc708665e79e72cffbf5... | ||||||
| TXT | smartsheet-site-validation=xn6t8IWievWUEBY9LJQzhTPfVsa5dWTk | ||||||
| TXT | _nf8m5hisjvxnliy43grrkcxt4775nre | ||||||
| TXT | twilio-domain-verification=b527bfa6770ac367fc9912a1caa06323 | ||||||
| TXT | flexera-domain-verification-imnjnkcqfpmvinpy | ||||||
| TXT | formstack-domain-verification=179e16ba598bd6f0b295bc7de613ba7c | ||||||
| TXT | smartsheet-site-validation=YXtB3id9XhZfupfHmACXFew-Tegm1G_p | ||||||
| TXT | smartsheet-site-validation=WTesoI8BTRnVCtpax7RXsu095_-01e-g | ||||||
| TXT | onetrust-domain-verification=8ec279170ab14b708f0330e786a9619e | ||||||
| TXT | ff43041c-55f9-42c5-8263-b168f015ec68 | ||||||
| TXT | BeJQ5GrhdR+RKZkfNVneBsIUT2NVqTZB01Y2FXf2+THpvzgedgBjuxOsk3Ub41a8xwwOOxLu+mJTF... | ||||||
| TXT | Dynatrace-site-verification=3ff882c3-ce12-4bdd-854f-c18fdfce82c2__j2sdcrg6o0f... | ||||||
| TXT | 2a35e1cb-656a-4618-b343-cb814065d867 | ||||||
| TXT | v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all | ||||||
| TXT | mixpanel-domain-verify=29364abe-5921-4f15-b1f9-92c168b99888 | ||||||
| TXT | _pvc1rwav561hkrmdq14aycsq5pps8xi | ||||||
| TXT | box-domain-verification=73b38eccd6cf3094f59070cc1471ea94d8c8a433f4e6808d99034... | ||||||
| TXT | apple-domain-verification=qvUUeo4rzNYBawy1GneDePGHTd_5bbfaFla5mf1Rql8 | ||||||
| TXT | MS=ms45660825 | ||||||
| TXT | figma-domain-verification=3818f0fcaa32c5ce227b1121b999753e8708a904218ffd80578... | ||||||
| TXT | jamf-site-verification=g-kOVDxo7U0trPWTXbALxg | ||||||
| TXT | 7af66ea0-faa0-4d61-a1ff-7624b9d97465 | ||||||
| TXT | _o7unzg1f3flq9gplgrxiex76xucouzs | ||||||
| TXT | jamf-site-verification=Kzw-u7InjZzANk8Hd_p1Bw | ||||||
| TXT | canva-site-verification=xZkTnltkjuFr7azCq9432w | ||||||
| TXT | mongodb-site-verification=XeRo7LCGNcMSCGuvCKB6RHi7fZwUjRIW | ||||||
| TXT | google-site-verification=GfKQDZJmtFjAfLwMo0CpJSgUgQ14s6EGeH8btHERCzY | ||||||
| TXT | 4879c66f-d011-43dc-873c-ce5803b4d5a7 | ||||||
| SOA | ns0.attdns.comeiss-dns@att.com 2026-05-09 #1 | ||||||
rank #887 globally
rank #491 in the tld
This domain name "att.com" is associated with AT&T Inc., an American multinational conglomerate holding company. AT&T is one of the world's largest telecommunications companies and the largest provider of mobile telephone services in the U.S. The domain is primarily used for their official website where they offer details about their services, products, customer support, and more.WOT: SAFE (92/100)
📈 Tranco rank: #1,479
Similar names
DNS History
7 records (4 active, 3 former)
●NSgslb1c.attdns.com2026-02-24 → 2026-05-10 · 2 obs
● 2026-02-24 22:17:08
● 2026-05-10 11:06:00
● 2026-05-10 11:06:00
●NSgslb2c.attdns.com2026-02-24 → 2026-05-10 · 2 obs
● 2026-02-24 22:17:08
● 2026-05-10 11:06:00
● 2026-05-10 11:06:00
●NSgslb3c.attdns.com2026-02-24 → 2026-05-10 · 2 obs
● 2026-02-24 22:17:08
● 2026-05-10 11:06:00
● 2026-05-10 11:06:00
●A144.160.219.842026-05-10 → 2026-05-10 · 2 obs
○ 2026-03-30 08:44:50
● 2026-05-10 11:06:00
● 2026-05-10 11:06:00
○A144.160.241.2142017-12-17 → 2019-09-24 · 6 obs
● 2017-12-17 13:52:20
○ 2019-06-05 18:43:28
○ 2019-07-15 10:42:20
● 2019-09-24 14:09:46
○ 2026-02-24 22:17:08
○ 2026-05-10 11:06:00
○ 2019-06-05 18:43:28
○ 2019-07-15 10:42:20
● 2019-09-24 14:09:46
○ 2026-02-24 22:17:08
○ 2026-05-10 11:06:00
○A144.160.29.872026-02-24 → 2026-03-30 · 4 obs
○ 2019-09-24 14:09:46
● 2026-02-24 22:17:08
● 2026-03-30 08:44:50
○ 2026-05-10 11:06:00
● 2026-02-24 22:17:08
● 2026-03-30 08:44:50
○ 2026-05-10 11:06:00
○A144.161.8.572019-06-05 → 2019-07-15 · 5 obs
○ 2017-12-17 13:52:20
● 2019-06-05 18:43:28
● 2019-07-15 10:42:20
○ 2019-09-24 14:09:46
○ 2026-05-10 11:06:00
● 2019-06-05 18:43:28
● 2019-07-15 10:42:20
○ 2019-09-24 14:09:46
○ 2026-05-10 11:06:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net... | - |
| att.com | a5-66.akam.net, a22-67.akam.net, a11-65.akam.net, a2-64.akam.net... | - |
| b2bsde.att.com | gslb2c.attdns.com, gslb1c.attdns.com, gslb3c.attdns.com | - |
✅ Authoritative Response
Server:144.160.215.254
NS records: gslb2c.attdns.com, gslb1c.attdns.com, gslb3c.attdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for att.com (unsigned zone)
⏱️ Timing
Total: 1051ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.160.29.87 |
Analysis
IP Addresses
b2bsde.att.com points to a single IP number: 144.160.219.84.
Name Servers
The delegation for b2bsde.att.com is handled by three name servers: gslb1c.attdns.com, gslb2c.attdns.com and gslb3c.attdns.com.
b2bsde.att.com at least partially shares name servers with other domains, for instance b2bsduate.atttest.com, ame-ngeaglab.att.com, b2bsdse.att.com, autodiscover.att.com and snapshot-ext.att.com.
Host names with one IP number:
gslb1c.attdns.com points to 135.209.156.17.
gslb2c.attdns.com points to 144.160.215.254.
gslb3c.attdns.com points to 170.35.215.82.