sailingcourses.com - robtex.com

sailingcourses.com

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns3.afternic.com ⭐
A97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns3.afternic.com
NSns4.afternic.com
A173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns4.namefind.com
TXTv=spf1 -all
SOAns3.afternic.comdns@jomax.net 2025-10-01 #0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774473297

Subdomains

mail.sailingcourses.com

DNS History

10 records (4 active, 6 former)

20162017201820192020202120222023202420252026NSns3.afternic.comns4.afternic.combuy.internettraffic.comns1.uniregistrymarket.linkns2.uniregistrymarket.linksell.internettraffic.comA13.248.169.4876.223.54.14669.172.201.15369.172.201.208
○NSbuy.internettraffic.com2015-07-24 → 2016-07-06 · 4 obs
● 2015-07-24 02:31:52
● 2016-07-06 22:33:08
○ 2017-02-15 02:37:54
○ 2026-03-25 21:35:30
○NSns1.uniregistrymarket.link2017-02-15 → 2017-02-15 · 3 obs
○ 2016-07-06 22:33:08
● 2017-02-15 02:37:54
○ 2026-03-25 21:35:30
○NSns2.uniregistrymarket.link2017-02-15 → 2017-02-15 · 3 obs
○ 2016-07-06 22:33:08
● 2017-02-15 02:37:54
○ 2026-03-25 21:35:30
●NSns3.afternic.com2026-03-25 → 2026-03-25 · 2 obs
○ 2017-02-15 02:37:54
● 2026-03-25 21:35:30
●NSns4.afternic.com2026-03-25 → 2026-03-25 · 2 obs
○ 2017-02-15 02:37:54
● 2026-03-25 21:35:30
○NSsell.internettraffic.com2015-07-24 → 2016-07-06 · 4 obs
● 2015-07-24 02:31:52
● 2016-07-06 22:33:08
○ 2017-02-15 02:37:54
○ 2026-03-25 21:35:30
●A13.248.169.482026-03-25 → 2026-03-25 · 2 obs
○ 2017-02-15 02:37:54
● 2026-03-25 21:35:30
○A69.172.201.1532016-07-06 → 2017-02-15 · 4 obs
○ 2016-03-03 08:29:02
● 2016-07-06 22:33:08
● 2017-02-15 02:37:54
○ 2026-03-25 21:35:30
○A69.172.201.2082015-07-24 → 2016-03-03 · 4 obs
● 2015-07-24 02:31:52
● 2016-03-03 08:29:02
○ 2016-07-06 22:33:08
○ 2026-03-25 21:35:30
●A76.223.54.1462026-03-25 → 2026-03-25 · 2 obs
○ 2017-02-15 02:37:54
● 2026-03-25 21:35:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...-
sailingcourses.comns3.afternic.com, ns4.afternic.com2 records

✅ Authoritative Response

Server:97.74.98.65

NS records: ns3.afternic.com, ns4.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sailingcourses.com (unsigned zone)

⏱️ Timing

Total: 61ms | Queries: -

📄 Records

TypeCountSample Data
A213.248.169.48, 76.223.54.146
NS2ns3.afternic.com, ns4.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns3.afternic.com dns.jomax.net

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)

Analysis

Hierarchy

sailingcourses.com is the parent of mail.sailingcourses.com.

IP Addresses

sailingcourses.com resolves to two IP numbers: 13.248.169.48 and 76.223.54.146.

other host names including nullmx.clanfire.com, mailserver.familyholidaysabroad.com, 4way.org, wan-setec-12.chatt.net and jointheteams.com share IP numbers with sailingcourses.com.

Name Servers

sailingcourses.com is delegated to two name servers ns3.afternic.com and ns4.afternic.com.

sailingcourses.com shares the same name server setup as other domains, for instance 91.151.155.rdns.ubiquity.io, timaya.com, jerry.euro.www.eximtrans.com, 177.244.209.rdns.ubiquity.io and headstonesforsale.com.

sailingcourses.com shares name servers with other domains at least partially, for example fabulousmoments.com and centralgas.org.

these name servers are commonly used alongside verification-vkvynnbekxxmvrztcbyrgv.ns101.verify.hn.

Host names with one IP number:

ns3.afternic.com points to 97.74.98.65

ns4.afternic.com points to 173.201.66.65