ns4.markmonitor.com - robtex.com
ns4.markmonitor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:67c:1bc::1🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast | ||||||
| PTR | ns1.markmonitor.com | ||||||
| A | 192.174.68.1🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net | ||||||
markmonitor.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.18.39.152Cloudflare104.18.39.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.148.104🇺🇸 Cloudflare172.64.148.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.markmonitor.com ⭐ | ||||||
| NS | ha2.markmonitor.zone | ||||||
| NS | ha4.markmonitor.zone | ||||||
| NS | ns2.markmonitor.com | ||||||
| NS | ns3.markmonitor.com | ||||||
| NS | ns4.markmonitor.com | ||||||
| NS | ns5.markmonitor.com | ||||||
| NS | ns6.markmonitor.com | ||||||
| NS | ns7.markmonitor.com | ||||||
| MX | markmonitor-com.mail.eo.outlook.com ⭐ | ||||||
| TXT | MS=ms42144968 | ||||||
| TXT | MS=ms64044723 | ||||||
| TXT | MS=ms72445593 | ||||||
| TXT | logmein-verification-code=ANmgyb4yoduCdzD71JRmCSyp2 | ||||||
| TXT | knowbe4-site-verification=2196cd8a72de50eedd7703120b752b77 | ||||||
| TXT | onetrust-domain-verification=8fa95c5bed48415db6eff59daea56015 | ||||||
| TXT | google-site-verification=E2u1YzHLf2tBYBPtKA53nJJU8CxqvETi9tCgrStrHSE | ||||||
| TXT | google-site-verification=GZUp3F-aoKxu2bX09NyuMPTi-LXAC-qID0GhrRmddog | ||||||
| TXT | google-site-verification=avfMNTcfZbndF_OIvDLsN68e2gYdCy3NWlLmimTCgzQ | ||||||
| TXT | v=spf1 include:spf1.markmonitor.com include:spf2.markmonitor.com -all | ||||||
| TXT | pardot1105752=05d648070e9b5bbc55dad335bec3d2686884b760e15145b02655f8b1fbc275e0 | ||||||
| TXT | 0DuNVXCw+Ru0wk/l1QQLpIrBqVp0lV/Sq6AYcat5UGoDXbEm3DJi3zGniT7Yc70rlPXm/L96RJ7ZU... | ||||||
| TXT | webexdomainverification.5523f43614297acbe053ab06fc0a5471=b0c2366e-7287-438d-a... | ||||||
| SOA | ns1.markmonitor.comhostmaster@markmonitor.com 2026-04-01 #1 | ||||||
rank #45812 globally
rank #20245 in the tld
WOT: SAFE (82/100)
📈 Tranco rank: #539
MarkMonitor
MarkMonitor is a leading enterprise domain management and online brand protection company, founded in 1999 and headquartered in Meridian, Idaho. The company is trusted by many of the world's largest brands to manage and protect their corporate domain portfolios. In January 2026, MarkMonitor merged with Com Laude to form the Markmonitor Group, expanding their global capabilities.
Key Services
- Enterprise Domain Management – Corporate registrar services for large domain portfolios
- Brand Protection – Monitoring and enforcement against online brand abuse
- Domain Broker Services – Acquisition of strategic domain names
- TLS/SSL Certificate Management – Security certificate lifecycle management
- dotBrand gTLD Support – Assistance with branded top-level domain applications
DNS Infrastructure
MarkMonitor operates a robust, globally distributed DNS infrastructure:
- Nameservers: 9 authoritative nameservers across multiple providers
- ns1-ns7.markmonitor.com (CIRA-CLOUD in Canada, RCODEZERO in Austria)
- ha2/ha4.markmonitor.zone (CIRA-CLOUD)
- Web Hosting: Cloudflare (104.18.39.152, 172.64.148.104)
- Email: Microsoft 365 (Outlook)
- DNSSEC: Not enabled
Notable Facts
MarkMonitor also provides DNS services to many Fortune 500 companies and major brands, making their nameservers (ns1-ns7.markmonitor.com) among the most commonly seen authoritative nameservers on the internet.
PTR for
NS for
Previously NS for
Same first word
Similar names
DNS History
7 records (2 active, 5 former)
○A162.88.60.152016-10-05 → 2020-03-23 · 5 obs
● 2016-10-05 23:31:38
● 2020-03-23 21:32:52
○ 2020-05-11 04:22:32
○ 2026-04-23 01:51:40
○A176.97.158.22020-05-11 → 2021-09-18 · 5 obs
● 2020-05-11 04:22:32
● 2021-09-18 20:50:06
○ 2026-02-16 17:24:34
○ 2026-04-23 01:51:40
●A192.174.68.12026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 17:24:34
● 2026-04-23 01:51:40
○A2001:67c:10b8::22020-05-11 → 2021-09-18 · 5 obs
● 2020-05-11 04:22:32
● 2021-09-18 20:50:06
○ 2026-02-16 17:24:34
○ 2026-04-23 01:51:40
●A2001:67c:1bc::12026-02-16 → 2026-04-23 · 3 obs
● 2026-02-16 17:24:34
● 2026-04-23 01:51:40
○A217.68.151.2412015-09-03 → 2016-10-04 · 4 obs
● 2016-10-04 07:36:44
○ 2016-10-05 23:31:38
○ 2026-04-23 01:51:40
○A2600:2000:1000::152016-11-17 → 2020-03-23 · 5 obs
● 2016-11-17 11:35:16
● 2020-03-23 21:32:52
○ 2020-05-11 04:22:32
○ 2026-04-23 01:51:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net... | - |
| markmonitor.com | ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com... | 14 records |
✅ Authoritative Response
Server:192.174.68.1
NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com, ns7.markmonitor.com, ns2.markmonitor.com, ha4.markmonitor.zone, ha2.markmonitor.zone
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for markmonitor.com (unsigned zone)
⏱️ Timing
Total: 317ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.174.68.1 |
| AAAA | 1 | 2001:67c:1bc::1 |
📌 Glue Records Collected
Total: 14
In-bailiwick: 14 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)
Analysis
Name Server Role
ns4.markmonitor.com serves as a name server for squareupp.com, barrheadtravel.co, bitetv.com.au, fortixdr.net, axacampus.de and hundreds of thousands of other domains.
ns1.markmonitor.com, ns2.markmonitor.com and ns3.markmonitor.com commonly serve as a name server alongside ns4.markmonitor.com.
IP Addresses
ns4.markmonitor.com points to two IP numbers: 2001:67c:1bc::1 and 192.174.68.1.