microsoft-365-online.com - robtex.com
microsoft-365-online.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-121.awsdns-15.com ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5300:7900::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront | ||||||
| PTR | ns-121.awsdns-15.com | ||||||
| A | 205.251.192.121🇺🇸 Amazon205.251.192.0/24 prefix | ||||||
| PTR | ns-121.awsdns-15.com | ||||||
| NS | ns-1407.awsdns-47.org ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5305:7f00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1407.awsdns-47.org | ||||||
| A | 205.251.197.127🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1407.awsdns-47.org | ||||||
| NS | ns-1737.awsdns-25.co.uk ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5306:c900::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1737.awsdns-25.co.uk | ||||||
| A | 205.251.198.201🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1737.awsdns-25.co.uk | ||||||
| NS | ns-796.awsdns-35.net ⚠️ Not in zone NS records | ||||||
| A | 2600:9000:5303:1c00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-796.awsdns-35.net | ||||||
| A | 205.251.195.28🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-796.awsdns-35.net | ||||||
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=1777044096 | ||||||
Same first word
microsoft-365-online.com |
DNS History
9 records (4 active, 5 former)
●NSns-121.awsdns-15.com2016-12-16 → 2026-04-24 · 2 obs
● 2026-04-24 15:27:26
●NSns-1407.awsdns-47.org2016-12-16 → 2026-04-24 · 2 obs
● 2026-04-24 15:27:26
●NSns-1737.awsdns-25.co.uk2016-12-16 → 2026-04-24 · 2 obs
● 2026-04-24 15:27:26
●NSns-796.awsdns-35.net2016-12-16 → 2026-04-24 · 2 obs
● 2026-04-24 15:27:26
○MXinbound-smtp.us-east-1.amazonaws.com2016-12-16 → 2017-11-11 · 4 obs
● 2017-11-11 11:04:06
○ 2026-03-31 14:04:32
○ 2026-04-24 15:27:26
○A34.225.30.2452017-11-11 → 2017-11-11 · 4 obs
● 2017-11-11 11:04:06
○ 2026-03-31 14:04:32
○ 2026-04-24 15:27:26
○A52.20.163.1992016-12-16 → 2016-12-16 · 3 obs
○ 2017-11-11 11:04:06
○ 2026-04-24 15:27:26
○A52.207.62.432016-12-16 → 2016-12-16 · 3 obs
○ 2017-11-11 11:04:06
○ 2026-04-24 15:27:26
○A52.6.243.1582017-11-11 → 2017-11-11 · 4 obs
● 2017-11-11 11:04:06
○ 2026-03-31 14:04:32
○ 2026-04-24 15:27:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| microsoft-365-online.com | ns-121.awsdns-15.com, ns-796.awsdns-35.net, ns-1737.awsdns-25.co.uk, ns-1407.awsdns-47.org | 2 records |
✅ Authoritative Response
Server:205.251.198.201
NS records: ns-121.awsdns-15.com, ns-796.awsdns-35.net, ns-1737.awsdns-25.co.uk, ns-1407.awsdns-47.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for microsoft-365-online.com (unsigned zone)
⏱️ Timing
Total: 320ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-121.awsdns-15.com, ns-121.awsdns-15.com)
Analysis
Name Servers
microsoft-365-online.com is delegated to four name servers: ns-121.awsdns-15.com, ns-796.awsdns-35.net, ns-1407.awsdns-47.org and ns-1737.awsdns-25.co.uk.
microsoft-365-online.com at least partially shares name servers with other domains, for example tarandm.com, 777doctors.cc, jqqdiicmfkf.com, margnor-online.co.uk and cliphype.com.
These name servers are commonly used with ns-17.awsdns-02.com and ns-1454.awsdns-53.org and ns-1751.awsdns-26.co.uk.
Host names with two IP numbers:
ns-121.awsdns-15.com points to: 2600:9000:5300:7900::1 and 205.251.192.121
ns-796.awsdns-35.net points to: 2600:9000:5303:1c00::1 and 205.251.195.28
ns-1407.awsdns-47.org points to: 2600:9000:5305:7f00::1 and 205.251.197.127
ns-1737.awsdns-25.co.uk points to: 2600:9000:5306:c900::1 and 205.251.198.201