sywmail.com - robtex.com
sywmail.com
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=1774604242 | ||||||
Subdomains
ns1.sywmail.com |
Same first word
sywmail.com |
Similar names
DNS History
9 records (6 active, 3 former)
●NSns-1466.awsdns-55.org2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 09:56:36
●NSns-1971.awsdns-54.co.uk2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 09:56:36
●NSns-70.awsdns-08.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 09:56:36
●NSns-988.awsdns-59.net2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 09:56:36
○NSns1.sywmail.com2015-07-07 → 2017-02-03 · 3 obs
● 2017-02-03 02:15:16
○ 2026-03-27 09:56:36
○NSns2.sywmail.com2015-07-07 → 2017-02-03 · 3 obs
● 2017-02-03 02:15:16
○ 2026-03-27 09:56:36
○MXmail.sywmail.com2015-07-07 → 2017-02-03 · 3 obs
● 2017-02-03 02:15:16
○ 2026-03-27 09:56:36
●MXsywmail-com.mail.protection.outlook.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 09:56:36
●A63.241.100.612015-07-07 → 2026-03-27 · 2 obs
● 2026-03-27 09:56:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net... | - |
| sywmail.com | ns-70.awsdns-08.com, ns-988.awsdns-59.net, ns-1971.awsdns-54.co.uk, ns-1466.awsdns-55.org | 1 record |
✅ Authoritative Response
Server:205.251.197.186
NS records: ns-70.awsdns-08.com, ns-988.awsdns-59.net, ns-1971.awsdns-54.co.uk, ns-1466.awsdns-55.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sywmail.com (unsigned zone)
⏱️ Timing
Total: 264ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 63.241.100.61 |
| NS | 4 | ns-1466.awsdns-55.org, ns-1971.awsdns-54.co.uk... |
| MX | 1 | sywmail-com.mail.protection.outlook.com |
| TXT | 2 | MS=ms22093643, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns-1466.awsdns-55.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-70.awsdns-08.com)
Analysis
Hierarchy
sywmail.com is the parent of ns1.sywmail.com.
IP Addresses
sywmail.com resolves to a single IP: 63.241.100.61.
Name Servers
sywmail.com is delegated to four name servers: ns-70.awsdns-08.com, ns-988.awsdns-59.net, ns-1466.awsdns-55.org and ns-1971.awsdns-54.co.uk.
sywmail.com shares some name servers with other domains, for example d2z4ar2yq5h4d5.cloudfront.net, 137.194.52.in-addr.arpa, 232.199.52.in-addr.arpa, 7.168.54.in-addr.arpa and powerofpostcodes.se.
These name servers are commonly used alongside ns1-24-ap-northeast-1.ec2-rdns.amazonaws.com, ns2-24-ap-northeast-1.ec2-rdns.amazonaws.com, ns3-24-ap-northeast-1.ec2-rdns.amazonaws.com and ns4-24-ap-northeast-1.ec2-rdns.amazonaws.com.
Host names with two IP numbers
Two IPs per host:
ns-70.awsdns-08.com points to 2600:9000:5300:4600::1 and 205.251.192.70
ns-988.awsdns-59.net points to 2600:9000:5303:dc00::1 and 205.251.195.220
ns-1466.awsdns-55.org points to 2600:9000:5305:ba00::1 and 205.251.197.186
ns-1971.awsdns-54.co.uk points to 2600:9000:5307:b300::1 and 205.251.199.179
Mail Servers
sywmail.com is handled by a single mail server, sywmail-com.mail.protection.outlook.com.
Host sywmail-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::9, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::4, 2a01:111:f403:ca09::5, 52.101.68.15, 52.101.73.2, 52.101.73.6 and 52.101.73.28.