sof.sg - robtex.com
sof.sg
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.128.217.195🇸🇬 DIGITALOCEAN178.128.208.0/20 | ||||||
| PTR | 189108.cloudwaysapps.com | ||||||
| NS | dns1.pacificinternet.com ⭐ | ||||||
| A | 182.23.148.37 | ||||||
| NS | dns1.pacific.net.sg | ||||||
| A | 2400:1700:20:201::92 | ||||||
| A | 203.120.90.91 | ||||||
| NS | dns2.pacific.net.sg | ||||||
| A | 203.81.36.92 | ||||||
| NS | dns2.pacificinternet.com | ||||||
| A | 45.117.188.93 | ||||||
| NS | dns3.pacificinternet.com | ||||||
| A | 210.24.236.53 | ||||||
| MX | mx1.improvmx.com ⭐ | ||||||
| A | 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 | ||||||
| A | 2a05:d012:412:e202:f36:2c1f:1a49:d38a | ||||||
| A | 2a05:d012:412:e203:373a:f51a:4a85:1d25 | ||||||
| A | 13.37.195.136AS1650913.36.0.0/14 | ||||||
| A | 15.236.236.160 | ||||||
| A | 35.181.18.45 | ||||||
| MX | mx2.improvmx.com(20) | ||||||
| A | 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 | ||||||
| A | 2a05:d012:412:e202:e81e:cc44:3b53:8a3d | ||||||
| A | 2a05:d012:412:e203:7e33:3d9c:28d7:ee20 | ||||||
| A | 13.36.107.63AS1650913.36.0.0/14 | ||||||
| A | 13.36.222.39AS1650913.36.0.0/14 | ||||||
| A | 15.236.61.92 | ||||||
| TXT | v=spf1 include:spf.improvmx.com ~all | ||||||
| SOA | dns1.pacificinternet.comnoc@pacificinternet.com 2026-01-08 #1 | ||||||
sg
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ds.sgnic.sg ⭐ | ||||||
| NS | dsany2.sgnic.sg | ||||||
| NS | dsany3.sgnic.sg | ||||||
| NS | dsany4.sgnic.sg | ||||||
| NS | ns4.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | pch.sgzones.sg | ||||||
| SOA | ds.sgnic.sgdna@sgnic.sg serial=2607031800 | ||||||
Subdomains
www.sof.sg |
DNS History
14 records (8 active, 6 former)
●NSdns1.pacific.net.sg2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 02:30:02
● 2026-07-03 19:06:18
●NSdns1.pacificinternet.com2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 02:30:02
● 2026-07-03 19:06:18
●NSdns2.pacific.net.sg2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 02:30:02
● 2026-07-03 19:06:18
●NSdns2.pacificinternet.com2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 02:30:02
● 2026-07-03 19:06:18
●NSdns3.pacificinternet.com2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 02:30:02
● 2026-07-03 19:06:18
○NSns1.sm2.siteground.biz2015-08-04 → 2016-07-08 · 4 obs
● 2016-07-08 23:27:42
○ 2026-02-18 02:30:02
○ 2026-07-03 19:06:18
○NSns2.sm2.siteground.biz2015-08-04 → 2016-07-08 · 4 obs
● 2016-07-08 23:27:42
○ 2026-02-18 02:30:02
○ 2026-07-03 19:06:18
●MXmx1.improvmx.com2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 02:30:02
● 2026-07-03 19:06:18
○MXmx10.mailspamprotection.com2015-08-04 → 2016-07-08 · 4 obs
● 2016-07-08 23:27:42
○ 2026-02-18 02:30:02
○ 2026-07-03 19:06:18
●MXmx2.improvmx.com2026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 02:30:02
● 2026-07-03 19:06:18
○MXmx20.mailspamprotection.com2015-08-04 → 2016-07-08 · 4 obs
● 2016-07-08 23:27:42
○ 2026-02-18 02:30:02
○ 2026-07-03 19:06:18
○MXmx30.mailspamprotection.com2015-08-04 → 2016-07-08 · 4 obs
● 2016-07-08 23:27:42
○ 2026-02-18 02:30:02
○ 2026-07-03 19:06:18
●A178.128.217.1952026-02-18 → 2026-07-03 · 3 obs
● 2026-02-18 02:30:02
● 2026-07-03 19:06:18
○A181.224.157.872015-08-04 → 2016-07-08 · 4 obs
● 2016-07-08 23:27:42
○ 2026-02-18 02:30:02
○ 2026-07-03 19:06:18
🔍 DNS Trace
Analysis
Hierarchy
www.sof.sg is a subdomain of sof.sg.
IP Addresses
sof.sg has exactly one IP address — 178.128.217.195.
Other host names, such as singaporeolympicfoundation.sg, share IP numbers with sof.sg.
Name Servers
Five name servers handle delegation for sof.sg: dns1.pacificinternet.com, dns2.pacificinternet.com, dns3.pacificinternet.com and two others.
Host names pointing to two IP addresses:
dns1.pacific.net.sg points to 203.120.90.91 and 2400:1700:20:201::92.
Host names resolving to a single IP address:
dns1.pacificinternet.com points to 182.23.148.37.
dns2.pacificinternet.com points to 45.117.188.93.
dns3.pacificinternet.com points to 210.24.236.53.
dns2.pacific.net.sg points to 203.81.36.92.
Mail Servers
sof.sg uses two mail servers, mx1.improvmx.com and mx2.improvmx.com.
Hosts with 6 IP addresses each:
mx1.improvmx.com resolves to 13.37.195.136, 15.236.236.160, 35.181.18.45 and 3 other IP addresses.
mx2.improvmx.com resolves to 13.36.107.63, 13.36.222.39, 15.236.61.92 and 3 other IP addresses.