sitlearn.edu.sg - robtex.com

sitlearn.edu.sg

DNSSEC⚠️ Not signed
A3.5.147.39🇸🇬 Amazon3.5.147.0/24 EC2 Prefix
A3.5.149.0🇸🇬 Amazon3.5.149.0/24 EC2 Prefix
A3.5.149.133🇸🇬 Amazon3.5.149.0/24 EC2 Prefix
A3.5.149.160🇸🇬 Amazon3.5.149.0/24 EC2 Prefix
A3.5.149.171🇸🇬 Amazon3.5.149.0/24 EC2 Prefix
A52.219.37.13🇸🇬 Amazon52.219.37.0/24 AWS S3
A52.219.124.225🇸🇬 Amazon52.219.124.0/24 AWS S3
A52.219.184.11🇸🇬 Amazon52.219.184.0/24 AWS S3
NSns-1872.awsdns-42.co.uk ⭐
A2600:9000:5307:5000::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1872.awsdns-42.co.uk
A205.251.199.80🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1872.awsdns-42.co.uk
NSns-1343.awsdns-39.org
A2600:9000:5305:3f00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1343.awsdns-39.org
A205.251.197.63🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1343.awsdns-39.org
NSns-228.awsdns-28.com
A2600:9000:5300:e400::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-228.awsdns-28.com
A205.251.192.228🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-228.awsdns-28.com
NSns-886.awsdns-46.net
A2600:9000:5303:7600::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-886.awsdns-46.net
A205.251.195.118🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-886.awsdns-46.net
MXmail.sitlearn.edu.sg ⭐
A119.13.100.208🇸🇬 HWCSNET119.13.96.0/20 HUAWEI INTERNATIONAL PTE. LTD. 15A Changi Business Park Central 1 Eightrium 03-03/04
PTRecs-119-13-100-208.compute.hwclouds-dns.com
TXTv=spf1 ip4:119.13.100.208 ~all
SOAns-1872.awsdns-42.co.ukawsdns-hostmaster@amazon.com serial=1

edu.sg

DNSSEC⚠️ Not signed
NSds.sgnic.sg ⭐
NSdsany2.sgnic.sg ⚠️ Not in parent delegation
NSdsany3.sgnic.sg ⚠️ Not in parent delegation
NSdsany4.sgnic.sg ⚠️ Not in parent delegation
NSpch.sgzones.sg ⚠️ Not in parent delegation
SOAds.sgnic.sgdna@sgnic.sg serial=2604122000
WOT: SAFE (99/100)

Subdomains

mail.sitlearn.edu.sg

Same first word

sitlearn.com
sitlearn.edu.sg

Similar names

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letrasin.blogspot.com
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nearlist.net
sarintel.com
starline.ws
latrines.net
interlas.pl
arnelist.de
starline.ch
starline.in
salnitre.com
starline.istanbul
sailrent.com

DNS History

67 records (13 active, 54 former)

NSns-1343.awsdns-39.orgns-1872.awsdns-42.co.ukns-228.awsdns-28.comns-886.awsdns-46.netMXmail.sitlearn.edu.sgA3.5.147.393.5.149.03.5.149.1333.5.149.1603.5.149.17152.219.124.22552.219.184.1152.219.37.133.5.147.1063.5.147.1073.5.147.1133.5.147.1143.5.147.1193.5.147.123.5.147.183.5.147.453.5.147.783.5.147.813.5.147.923.5.149.1063.5.149.1183.5.149.1203.5.149.1293.5.149.1623.5.149.1683.5.149.1853.5.149.2023.5.149.53.5.149.663.5.149.893.5.149.903.5.149.933.5.149.963.5.151.1023.5.151.1063.5.151.1243.5.151.1603.5.151.1993.5.151.2363.5.151.413.5.151.693.5.151.923.5.151.963.5.151.973.5.151.9952.219.124.18152.219.124.6552.219.128.1352.219.128.22952.219.129.1352.219.129.952.219.132.13352.219.132.22552.219.164.13152.219.164.17552.219.184.4352.219.184.752.219.36.24552.219.36.5752.219.36.6552.219.40.25352.219.41.29
●NSns-1343.awsdns-39.org2026-03-29 → 2026-04-12 · 2 obs
● 2026-03-29 09:59:30
● 2026-04-12 20:02:20
●NSns-1872.awsdns-42.co.uk2026-03-29 → 2026-04-12 · 2 obs
● 2026-03-29 09:59:30
● 2026-04-12 20:02:20
●NSns-228.awsdns-28.com2026-03-29 → 2026-04-12 · 2 obs
● 2026-03-29 09:59:30
● 2026-04-12 20:02:20
●NSns-886.awsdns-46.net2026-03-29 → 2026-04-12 · 2 obs
● 2026-03-29 09:59:30
● 2026-04-12 20:02:20
●MXmail.sitlearn.edu.sg2026-03-29 → 2026-04-12 · 2 obs
● 2026-03-29 09:59:30
● 2026-04-12 20:02:20
○A3.5.147.1062026-04-09 → 2026-04-09 · 4 obs
○ 2026-04-08 05:24:04
● 2026-04-09 16:55:46
○ 2026-04-11 02:29:46
○ 2026-04-12 20:02:20
○A3.5.147.1072026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-06 08:52:18
● 2026-04-06 15:17:32
○ 2026-04-08 00:23:42
○ 2026-04-12 20:02:20
○A3.5.147.1132026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-06 15:17:32
● 2026-04-08 00:23:42
○ 2026-04-08 05:24:04
○ 2026-04-12 20:02:20
○A3.5.147.1142026-04-04 → 2026-04-06 · 6 obs
○ 2026-03-29 09:59:30
● 2026-04-04 17:30:12
○ 2026-04-06 08:52:18
● 2026-04-06 15:17:32
○ 2026-04-08 00:23:42
○ 2026-04-12 20:02:20
○A3.5.147.1192026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-08 00:23:42
● 2026-04-08 05:24:04
○ 2026-04-09 16:55:46
○ 2026-04-12 20:02:20
○A3.5.147.122026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-06 08:52:18
● 2026-04-06 15:17:32
○ 2026-04-08 00:23:42
○ 2026-04-12 20:02:20
○A3.5.147.182026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-08 00:23:42
● 2026-04-08 05:24:04
○ 2026-04-09 16:55:46
○ 2026-04-12 20:02:20
●A3.5.147.392026-04-12 → 2026-04-12 · 3 obs
○ 2026-04-11 02:29:46
● 2026-04-12 20:02:18
● 2026-04-12 20:02:20
○A3.5.147.452026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-04 17:30:12
● 2026-04-06 08:52:18
○ 2026-04-06 15:17:32
○ 2026-04-12 20:02:20
○A3.5.147.782026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 09:59:30
○ 2026-04-04 17:30:12
○ 2026-04-12 20:02:20
○A3.5.147.812026-04-09 → 2026-04-09 · 4 obs
○ 2026-04-08 05:24:04
● 2026-04-09 16:55:46
○ 2026-04-11 02:29:46
○ 2026-04-12 20:02:20
○A3.5.147.922026-04-04 → 2026-04-08 · 7 obs
○ 2026-03-29 09:59:30
● 2026-04-04 17:30:12
○ 2026-04-06 08:52:18
○ 2026-04-06 15:17:32
● 2026-04-08 00:23:42
○ 2026-04-08 05:24:04
○ 2026-04-12 20:02:20
●A3.5.149.02026-04-12 → 2026-04-12 · 3 obs
○ 2026-04-11 02:29:46
● 2026-04-12 20:02:18
● 2026-04-12 20:02:20
○A3.5.149.1062026-04-04 → 2026-04-04 · 4 obs
○ 2026-03-29 09:59:30
● 2026-04-04 17:30:12
○ 2026-04-06 08:52:18
○ 2026-04-12 20:02:20
○A3.5.149.1182026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-08 00:23:42
● 2026-04-08 05:24:04
○ 2026-04-09 16:55:46
○ 2026-04-12 20:02:20
○A3.5.149.1202026-04-04 → 2026-04-04 · 4 obs
○ 2026-03-29 09:59:30
● 2026-04-04 17:30:12
○ 2026-04-06 08:52:18
○ 2026-04-12 20:02:20
○A3.5.149.1292026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 09:59:30
○ 2026-04-04 17:30:12
○ 2026-04-12 20:02:20
●A3.5.149.1332026-04-12 → 2026-04-12 · 3 obs
○ 2026-04-11 02:29:46
● 2026-04-12 20:02:18
● 2026-04-12 20:02:20
●A3.5.149.1602026-04-11 → 2026-04-12 · 3 obs
○ 2026-04-09 16:55:46
● 2026-04-11 02:29:46
● 2026-04-12 20:02:20
○A3.5.149.1622026-04-11 → 2026-04-11 · 4 obs
○ 2026-04-09 16:55:46
● 2026-04-11 02:29:46
○ 2026-04-12 20:02:18
○ 2026-04-12 20:02:20
○A3.5.149.1682026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-06 08:52:18
● 2026-04-06 15:17:32
○ 2026-04-08 00:23:42
○ 2026-04-12 20:02:20
●A3.5.149.1712026-04-12 → 2026-04-12 · 3 obs
○ 2026-04-11 02:29:46
● 2026-04-12 20:02:18
● 2026-04-12 20:02:20
○A3.5.149.1852026-04-06 → 2026-04-06 · 5 obs
○ 2026-04-04 17:30:12
● 2026-04-06 08:52:18
● 2026-04-06 15:17:32
○ 2026-04-08 00:23:42
○ 2026-04-12 20:02:20
○A3.5.149.2022026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-08 00:23:42
● 2026-04-08 05:24:04
○ 2026-04-09 16:55:46
○ 2026-04-12 20:02:20
○A3.5.149.52026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-04 17:30:12
● 2026-04-06 08:52:18
○ 2026-04-06 15:17:32
○ 2026-04-12 20:02:20
○A3.5.149.662026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 09:59:30
○ 2026-04-04 17:30:12
○ 2026-04-12 20:02:20
○A3.5.149.892026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-06 15:17:32
● 2026-04-08 00:23:42
○ 2026-04-08 05:24:04
○ 2026-04-12 20:02:20
○A3.5.149.902026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-04 17:30:12
● 2026-04-06 08:52:18
○ 2026-04-06 15:17:32
○ 2026-04-12 20:02:20
○A3.5.149.932026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-06 15:17:32
● 2026-04-08 00:23:42
○ 2026-04-08 05:24:04
○ 2026-04-12 20:02:20
○A3.5.149.962026-03-29 → 2026-04-06 · 6 obs
● 2026-03-29 09:59:30
○ 2026-04-04 17:30:12
○ 2026-04-06 08:52:18
● 2026-04-06 15:17:32
○ 2026-04-08 00:23:42
○ 2026-04-12 20:02:20
○A3.5.151.1022026-04-06 → 2026-04-08 · 7 obs
○ 2026-04-04 17:30:12
● 2026-04-06 08:52:18
○ 2026-04-06 15:17:32
○ 2026-04-08 00:23:42
● 2026-04-08 05:24:04
○ 2026-04-09 16:55:46
○ 2026-04-12 20:02:20
○A3.5.151.1062026-04-11 → 2026-04-11 · 4 obs
○ 2026-04-09 16:55:46
● 2026-04-11 02:29:46
○ 2026-04-12 20:02:18
○ 2026-04-12 20:02:20
○A3.5.151.1242026-04-09 → 2026-04-09 · 4 obs
○ 2026-04-08 05:24:04
● 2026-04-09 16:55:46
○ 2026-04-11 02:29:46
○ 2026-04-12 20:02:20
○A3.5.151.1602026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-08 00:23:42
● 2026-04-08 05:24:04
○ 2026-04-09 16:55:46
○ 2026-04-12 20:02:20
○A3.5.151.1992026-04-09 → 2026-04-09 · 4 obs
○ 2026-04-08 05:24:04
● 2026-04-09 16:55:46
○ 2026-04-11 02:29:46
○ 2026-04-12 20:02:20
○A3.5.151.2362026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-06 15:17:32
● 2026-04-08 00:23:42
○ 2026-04-08 05:24:04
○ 2026-04-12 20:02:20
○A3.5.151.412026-03-29 → 2026-04-08 · 6 obs
● 2026-03-29 09:59:30
○ 2026-04-04 17:30:12
○ 2026-04-06 15:17:32
● 2026-04-08 00:23:42
○ 2026-04-08 05:24:04
○ 2026-04-12 20:02:20
○A3.5.151.692026-04-09 → 2026-04-09 · 4 obs
○ 2026-04-08 05:24:04
● 2026-04-09 16:55:46
○ 2026-04-11 02:29:46
○ 2026-04-12 20:02:20
○A3.5.151.922026-03-29 → 2026-04-11 · 6 obs
● 2026-03-29 09:59:30
○ 2026-04-04 17:30:12
○ 2026-04-09 16:55:46
● 2026-04-11 02:29:46
○ 2026-04-12 20:02:18
○ 2026-04-12 20:02:20
○A3.5.151.962026-04-04 → 2026-04-04 · 4 obs
○ 2026-03-29 09:59:30
● 2026-04-04 17:30:12
○ 2026-04-06 08:52:18
○ 2026-04-12 20:02:20
○A3.5.151.972026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-06 08:52:18
● 2026-04-06 15:17:32
○ 2026-04-08 00:23:42
○ 2026-04-12 20:02:20
○A3.5.151.992026-03-29 → 2026-03-29 · 3 obs
● 2026-03-29 09:59:30
○ 2026-04-04 17:30:12
○ 2026-04-12 20:02:20
○A52.219.124.1812026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-04 17:30:12
● 2026-04-06 08:52:18
○ 2026-04-06 15:17:32
○ 2026-04-12 20:02:20
●A52.219.124.2252026-04-12 → 2026-04-12 · 3 obs
○ 2026-04-11 02:29:46
● 2026-04-12 20:02:18
● 2026-04-12 20:02:20
○A52.219.124.652026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-06 15:17:32
● 2026-04-08 00:23:42
○ 2026-04-08 05:24:04
○ 2026-04-12 20:02:20
○A52.219.128.132026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-04 17:30:12
● 2026-04-06 08:52:18
○ 2026-04-06 15:17:32
○ 2026-04-12 20:02:20
○A52.219.128.2292026-04-11 → 2026-04-11 · 4 obs
○ 2026-04-09 16:55:46
● 2026-04-11 02:29:46
○ 2026-04-12 20:02:18
○ 2026-04-12 20:02:20
○A52.219.129.132026-04-11 → 2026-04-11 · 4 obs
○ 2026-04-09 16:55:46
● 2026-04-11 02:29:46
○ 2026-04-12 20:02:18
○ 2026-04-12 20:02:20
○A52.219.129.92026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-04 17:30:12
● 2026-04-06 08:52:18
○ 2026-04-06 15:17:32
○ 2026-04-12 20:02:20
○A52.219.132.1332026-04-09 → 2026-04-09 · 4 obs
○ 2026-04-08 05:24:04
● 2026-04-09 16:55:46
○ 2026-04-11 02:29:46
○ 2026-04-12 20:02:20
○A52.219.132.2252026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-06 15:17:32
● 2026-04-08 00:23:42
○ 2026-04-08 05:24:04
○ 2026-04-12 20:02:20
○A52.219.164.1312026-04-04 → 2026-04-04 · 4 obs
○ 2026-03-29 09:59:30
● 2026-04-04 17:30:12
○ 2026-04-06 08:52:18
○ 2026-04-12 20:02:20
○A52.219.164.1752026-04-06 → 2026-04-06 · 4 obs
○ 2026-04-06 08:52:18
● 2026-04-06 15:17:32
○ 2026-04-08 00:23:42
○ 2026-04-12 20:02:20
●A52.219.184.112026-04-12 → 2026-04-12 · 3 obs
○ 2026-04-11 02:29:46
● 2026-04-12 20:02:18
● 2026-04-12 20:02:20
○A52.219.184.432026-04-09 → 2026-04-09 · 4 obs
○ 2026-04-08 05:24:04
● 2026-04-09 16:55:46
○ 2026-04-11 02:29:46
○ 2026-04-12 20:02:20
○A52.219.184.72026-04-09 → 2026-04-09 · 4 obs
○ 2026-04-08 05:24:04
● 2026-04-09 16:55:46
○ 2026-04-11 02:29:46
○ 2026-04-12 20:02:20
○A52.219.36.2452026-04-11 → 2026-04-11 · 4 obs
○ 2026-04-09 16:55:46
● 2026-04-11 02:29:46
○ 2026-04-12 20:02:18
○ 2026-04-12 20:02:20
○A52.219.36.572026-04-04 → 2026-04-04 · 4 obs
○ 2026-03-29 09:59:30
● 2026-04-04 17:30:12
○ 2026-04-06 08:52:18
○ 2026-04-12 20:02:20
○A52.219.36.652026-04-11 → 2026-04-11 · 4 obs
○ 2026-04-09 16:55:46
● 2026-04-11 02:29:46
○ 2026-04-12 20:02:18
○ 2026-04-12 20:02:20
●A52.219.37.132026-04-12 → 2026-04-12 · 3 obs
○ 2026-04-11 02:29:46
● 2026-04-12 20:02:18
● 2026-04-12 20:02:20
○A52.219.40.2532026-04-08 → 2026-04-08 · 4 obs
○ 2026-04-08 00:23:42
● 2026-04-08 05:24:04
○ 2026-04-09 16:55:46
○ 2026-04-12 20:02:20
○A52.219.41.292026-04-04 → 2026-04-04 · 4 obs
○ 2026-03-29 09:59:30
● 2026-04-04 17:30:12
○ 2026-04-06 08:52:18
○ 2026-04-12 20:02:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sgns4.apnic.net, pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg...10 records
sitlearn.edu.sgns-1872.awsdns-42.co.uk, ns-886.awsdns-46.net, ns-228.awsdns-28.com, ns-1343.awsdns-39.org-

✅ Authoritative Response

Server:205.251.192.228

NS records: ns-1872.awsdns-42.co.uk, ns-886.awsdns-46.net, ns-228.awsdns-28.com, ns-1343.awsdns-39.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sitlearn.edu.sg (unsigned zone)

⏱️ Timing

Total: 511ms | Queries: -

📄 Records

TypeCountSample Data
A83.5.147.198, 3.5.151.208...
NS4ns-1343.awsdns-39.org, ns-1872.awsdns-42.co.uk...
MX1mail.sitlearn.edu.sg (pri: 10)
TXT1v=spf1 ip4:119.13.100.208 ~all
SOA1ns-1872.awsdns-42.co.uk awsdns-hostmaste

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (pch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg...)

Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)

Analysis

Hierarchy

sitlearn.edu.sg is the parent of mail.sitlearn.edu.sg.

IP Addresses

Eight IP numbers are pointed to by sitlearn.edu.sg: 3.5.147.39, 3.5.149.0, 3.5.149.133, 3.5.149.160, 3.5.149.171, 52.219.37.13, 52.219.124.225 and 52.219.184.11.

For instance, other host names semilok.live, localcircles.co.in, macagotchi.com, weeyoung.com and ctxpay.ph share IP numbers with sitlearn.edu.sg.

Name Servers

sitlearn.edu.sg is delegated to four name servers: ns-228.awsdns-28.com, ns-886.awsdns-46.net, ns-1343.awsdns-39.org and ns-1872.awsdns-42.co.uk.

sitlearn.edu.sg shares name servers with other domains at least partially, for example dosd0rud988c0.cloudfront.net, laff2nite.com, clickview.co.za, escrowservicesofiowa.com and marjaandryan.com.

Host names with two IP numbers:

ns-228.awsdns-28.com points to: 2600:9000:5300:e400::1 and 205.251.192.228

ns-886.awsdns-46.net points to: 2600:9000:5303:7600::1 and 205.251.195.118

ns-1343.awsdns-39.org points to: 2600:9000:5305:3f00::1 and 205.251.197.63

ns-1872.awsdns-42.co.uk points to: 2600:9000:5307:5000::1 and 205.251.199.80

Mail Servers

sitlearn.edu.sg is handled by a single mail server, mail.sitlearn.edu.sg.

mail.sitlearn.edu.sg points to a single IP: 119.13.100.208.