office365-ry.com - robtex.com
office365-ry.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 16.61.0.137 | ||||||
| PTR | ec2-16-61-0-137.eu-west-2.compute.amazonaws.com | ||||||
| NS | ns-377.awsdns-47.com ⭐ | ||||||
| A | 2600:9000:5301:7900::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-377.awsdns-47.com | ||||||
| A | 205.251.193.121🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-377.awsdns-47.com | ||||||
| NS | ns-1101.awsdns-09.org | ||||||
| A | 2600:9000:5304:4d00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1101.awsdns-09.org | ||||||
| A | 205.251.196.77🇺🇸 Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1101.awsdns-09.org | ||||||
| NS | ns-1846.awsdns-38.co.uk | ||||||
| A | 2600:9000:5307:3600::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-1846.awsdns-38.co.uk | ||||||
| A | 205.251.199.54🇺🇸 Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-1846.awsdns-38.co.uk | ||||||
| NS | ns-921.awsdns-51.net | ||||||
| A | 2600:9000:5303:9900::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-921.awsdns-51.net | ||||||
| A | 205.251.195.153🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-921.awsdns-51.net | ||||||
| SOA | ns-377.awsdns-47.comawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1778502161 | ||||||
Same first word
office365-ry.com |
DNS History
5 records (5 active, 0 former)
●NSns-1101.awsdns-09.org2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:39:18
●NSns-1846.awsdns-38.co.uk2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:39:18
●NSns-377.awsdns-47.com2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:39:18
●NSns-921.awsdns-51.net2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:39:18
●A16.61.0.1372026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 12:39:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net... | - |
| office365-ry.com | ns-377.awsdns-47.com, ns-921.awsdns-51.net, ns-1101.awsdns-09.org, ns-1846.awsdns-38.co.uk | 2 records |
✅ Authoritative Response
Server:205.251.193.121
NS records: ns-377.awsdns-47.com, ns-921.awsdns-51.net, ns-1101.awsdns-09.org, ns-1846.awsdns-38.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for office365-ry.com (unsigned zone)
⏱️ Timing
Total: 505ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 16.61.0.137 |
| NS | 4 | ns-1101.awsdns-09.org, ns-1846.awsdns-38.co.uk... |
| SOA | 1 | ns-377.awsdns-47.com awsdns-hostmaster.a |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-377.awsdns-47.com, ns-377.awsdns-47.com)
Analysis
IP Addresses
office365-ry.com resolves to one IP number: 16.61.0.137.
Name Servers
office365-ry.com delegates to four name servers: ns-377.awsdns-47.com, ns-921.awsdns-51.net, ns-1101.awsdns-09.org and ns-1846.awsdns-38.co.uk.
office365-ry.com at least partially shares name servers with other domains, including treksupplies.com, nipda.co.th, activatehr.jp, hoyaragon.com and mnpshare.net.
Host names with two IP numbers: ns-377.awsdns-47.com points to 2600:9000:5301:7900::1 and 205.251.193.121; ns-921.awsdns-51.net points to 2600:9000:5303:9900::1 and 205.251.195.153; ns-1101.awsdns-09.org points to 2600:9000:5304:4d00::1 and 205.251.196.77; ns-1846.awsdns-38.co.uk points to 2600:9000:5307:3600::1 and 205.251.199.54.