🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`devfive.kr`

DNSSEC	⚠️ Not signed
A	18.160.41.13^{🇺🇸 Amazon18.160.40.0/23}
		PTR	`server-18-160-41-13.iad55.r.cloudfront.net`
A	18.160.41.87^{🇺🇸 Amazon18.160.40.0/23}
A	18.160.41.115^{🇺🇸 Amazon18.160.40.0/23}
A	18.160.41.118^{🇺🇸 Amazon18.160.40.0/23}
NS	`ns-1130.awsdns-13.org` ⭐
		A	2600:9000:5304:6a00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1130.awsdns-13.org`
		A	205.251.196.106^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1130.awsdns-13.org`
NS	`ns-169.awsdns-21.com`
		A	2600:9000:5300:a900::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-169.awsdns-21.com`
		A	205.251.192.169^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-169.awsdns-21.com`
NS	`ns-1832.awsdns-37.co.uk`
		A	2600:9000:5307:2800::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1832.awsdns-37.co.uk`
		A	205.251.199.40^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1832.awsdns-37.co.uk`
NS	`ns-578.awsdns-08.net`
		A	2600:9000:5302:4200::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-578.awsdns-08.net`
		A	205.251.194.66^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-578.awsdns-08.net`
MX	`mx1.daouoffice.com` ⭐
		A	35.216.20.220^{🇰🇷 Google35.216.0.0/17}
			PTR	`prod-dose-smtp-3.daouoffice.com`
		A	35.216.41.104^{🇰🇷 Google35.216.0.0/17}
			PTR	`prod-dose-smtp-2.daouoffice.com`
		A	35.216.61.236^{🇰🇷 Google35.216.0.0/17}
			PTR	`prod-dose-smtp-1.daouoffice.com`
MX	`mx2.daouoffice.com`⁽¹⁰⁾
		A	35.216.20.220^{🇰🇷 Google35.216.0.0/17}
			PTR	`prod-dose-smtp-3.daouoffice.com`
		A	35.216.41.104^{🇰🇷 Google35.216.0.0/17}
			PTR	`prod-dose-smtp-2.daouoffice.com`
		A	35.216.61.236^{🇰🇷 Google35.216.0.0/17}
			PTR	`prod-dose-smtp-1.daouoffice.com`
TXT	`v=spf1 include:_spf.daouoffice.com ~all`
SOA	`ns-1130.awsdns-13.org`awsdns-hostmaster@amazon.com serial=1

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐
	NS	`b.dns.kr`
	NS	`c.dns.kr`
	NS	`d.dns.kr`
	NS	`e.dns.kr`
	NS	`f.dns.kr`
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2609060690

Same first word

devfive.com

devfive.kr

devfive.ru

Similar names

vedfive.uz

fivedev.net

Previous names

devcom.kr

devcow.kr

devcury.kr

devd.kr

devdab.kr

devday.kr

devdesign.kr

devdev.kr

devdigest.kr

develofun.kr

develop.kr

develope.kr

developeracademy.kr

developk.kr

development.kr

develub.kr

develups.kr

devent.kr

Next names

devflow.kr

devfree.kr

devg.kr

devgrr.kr

devguworld.kr

devh.kr

devhome.kr

devi-wear.kr

devian.kr

deviantart.kr

devibe.kr

device-lab.kr

devicelab.kr

devicemart.kr

devicenet.kr

deview.kr

devify.kr

devign.kr

deviki.kr

devilsplan.kr

DNS History

26 records (10 active, 16 former)

●NSns-1130.awsdns-13.org2026-08-29 → 2026-09-06 · 2 obs

● 2026-08-29 18:44:32
● 2026-09-06 07:42:56

●NSns-169.awsdns-21.com2026-08-29 → 2026-09-06 · 2 obs

● 2026-08-29 18:44:32
● 2026-09-06 07:42:56

●NSns-1832.awsdns-37.co.uk2026-08-29 → 2026-09-06 · 2 obs

● 2026-08-29 18:44:32
● 2026-09-06 07:42:56

●NSns-578.awsdns-08.net2026-08-29 → 2026-09-06 · 2 obs

● 2026-08-29 18:44:32
● 2026-09-06 07:42:56

●MXmx1.daouoffice.com2026-08-29 → 2026-09-06 · 2 obs

● 2026-08-29 18:44:32
● 2026-09-06 07:42:56

●MXmx2.daouoffice.com2026-08-29 → 2026-09-06 · 2 obs

● 2026-08-29 18:44:32
● 2026-09-06 07:42:56

●A18.160.41.1152026-08-30 → 2026-09-06 · 15 obs

○ 2026-08-30 01:27:32
● 2026-08-30 05:03:34
○ 2026-08-31 11:55:56
● 2026-08-31 19:03:22
○ 2026-08-31 19:48:22
● 2026-09-01 06:05:38
○ 2026-09-01 09:10:26
● 2026-09-01 09:57:10
○ 2026-09-01 15:59:22
● 2026-09-02 23:29:32
○ 2026-09-03 01:24:10
● 2026-09-03 20:59:06
○ 2026-09-04 04:32:52
● 2026-09-06 07:42:52
● 2026-09-06 07:42:56

●A18.160.41.1182026-08-30 → 2026-09-06 · 15 obs

●A18.160.41.132026-08-30 → 2026-09-06 · 15 obs

●A18.160.41.872026-08-30 → 2026-09-06 · 15 obs

○A18.172.153.622026-08-29 → 2026-09-04 · 15 obs

● 2026-08-29 18:44:32
○ 2026-08-29 20:57:00
● 2026-08-31 11:55:56
○ 2026-08-31 19:03:22
● 2026-08-31 19:48:22
○ 2026-09-01 06:05:38
● 2026-09-01 09:10:26
○ 2026-09-01 09:57:10
● 2026-09-01 15:59:22
○ 2026-09-02 12:15:44
● 2026-09-03 01:24:10
○ 2026-09-03 20:59:06
● 2026-09-04 04:32:52
○ 2026-09-06 07:42:52
○ 2026-09-06 07:42:56

○A18.172.153.842026-08-29 → 2026-09-04 · 15 obs

○A18.172.153.852026-08-29 → 2026-09-04 · 15 obs

○A18.172.153.932026-08-29 → 2026-09-04 · 15 obs

○A18.245.199.1032026-08-29 → 2026-08-29 · 4 obs

○ 2026-08-29 18:44:32
● 2026-08-29 20:57:00
○ 2026-08-30 01:27:32
○ 2026-09-06 07:42:56

○A18.245.199.1122026-08-29 → 2026-08-29 · 4 obs

○ 2026-08-29 18:44:32
● 2026-08-29 20:57:00
○ 2026-08-30 01:27:32
○ 2026-09-06 07:42:56

○A18.245.199.1292026-08-29 → 2026-08-29 · 4 obs

○ 2026-08-29 18:44:32
● 2026-08-29 20:57:00
○ 2026-08-30 01:27:32
○ 2026-09-06 07:42:56

○A18.245.199.252026-08-29 → 2026-08-29 · 4 obs

○ 2026-08-29 18:44:32
● 2026-08-29 20:57:00
○ 2026-08-30 01:27:32
○ 2026-09-06 07:42:56

○A3.168.147.102026-08-30 → 2026-08-30 · 4 obs

○ 2026-08-29 20:57:00
● 2026-08-30 01:27:32
○ 2026-08-30 05:03:34
○ 2026-09-06 07:42:56

○A3.168.147.1192026-08-30 → 2026-08-30 · 4 obs

○ 2026-08-29 20:57:00
● 2026-08-30 01:27:32
○ 2026-08-30 05:03:34
○ 2026-09-06 07:42:56

○A3.168.147.442026-08-30 → 2026-08-30 · 4 obs

○ 2026-08-29 20:57:00
● 2026-08-30 01:27:32
○ 2026-08-30 05:03:34
○ 2026-09-06 07:42:56

○A3.168.147.832026-08-30 → 2026-08-30 · 4 obs

○ 2026-08-29 20:57:00
● 2026-08-30 01:27:32
○ 2026-08-30 05:03:34
○ 2026-09-06 07:42:56

○A3.170.19.462026-09-02 → 2026-09-02 · 4 obs

○ 2026-09-01 15:59:22
● 2026-09-02 12:15:44
○ 2026-09-02 23:29:32
○ 2026-09-06 07:42:56

○A3.170.19.502026-09-02 → 2026-09-02 · 4 obs

○ 2026-09-01 15:59:22
● 2026-09-02 12:15:44
○ 2026-09-02 23:29:32
○ 2026-09-06 07:42:56

○A3.170.19.572026-09-02 → 2026-09-02 · 4 obs

○ 2026-09-01 15:59:22
● 2026-09-02 12:15:44
○ 2026-09-02 23:29:32
○ 2026-09-06 07:42:56

○A3.170.19.892026-09-02 → 2026-09-02 · 4 obs

○ 2026-09-01 15:59:22
● 2026-09-02 12:15:44
○ 2026-09-02 23:29:32
○ 2026-09-06 07:42:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...	10 records
devfive.kr	ns-1832.awsdns-37.co.uk, ns-578.awsdns-08.net, ns-169.awsdns-21.com, ns-1130.awsdns-13.org	-

✅ Authoritative Response

Server:205.251.199.40

NS records: ns-1832.awsdns-37.co.uk, ns-578.awsdns-08.net, ns-169.awsdns-21.com, ns-1130.awsdns-13.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devfive.kr (unsigned zone)

⏱️ Timing

Total: 1289ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`18.160.41.115, 18.160.41.87...`
NS	4	`ns-1130.awsdns-13.org, ns-169.awsdns-21.com...`
MX	2	`mx2.daouoffice.com (pri: 10), mx1.daouoffice.com (pri: 5)`
TXT	1	`v=spf1 include:_spf.daouoffice.com ~all`
SOA	1	`ns-1130.awsdns-13.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (c.dns.kr, e.dns.kr, e.dns.kr...)

Analysis

IP Addresses

devfive.kr directs to four IP numbers, which are 18.160.41.13, 18.160.41.87, 18.160.41.115 and 18.160.41.118.

adi.org.in, silicoproduction.com, www.outoutput.com plus two other host names have IP numbers in common with devfive.kr.

Name Servers

Four name servers handle the delegation for devfive.kr: ns-169.awsdns-21.com, ns-578.awsdns-08.net, ns-1130.awsdns-13.org and ns-1832.awsdns-37.co.uk.

There is at least partial name server overlap between devfive.kr and other domains — portal.risebuildings.com, castlemansconnect.org, d31tnnyvquiy6m.cloudfront.net and two more among them.

All four hostnames — ns-169.awsdns-21.com, ns-578.awsdns-08.net, ns-1130.awsdns-13.org and ns-1832.awsdns-37.co.uk — resolve to two IP numbers apiece: ns-169.awsdns-21.com to 205.251.192.169 and 2600:9000:5300:a900::1; ns-578.awsdns-08.net to 205.251.194.66 and 2600:9000:5302:4200::1; ns-1130.awsdns-13.org to 205.251.196.106 and 2600:9000:5304:6a00::1; ns-1832.awsdns-37.co.uk to 205.251.199.40 and 2600:9000:5307:2800::1.

Mail Servers

devfive.kr uses two mail servers, mx1.daouoffice.com and mx2.daouoffice.com.

The mail server setup of devfive.kr matches that of other domains such as finotek.co.kr, voltaautomation.co.kr, cri.co.kr and two others.

At least some of the mail servers used by devfive.kr are shared with other domains: ruruci.com, gslbio.com, tooz.co.kr and two others among them.

These mail servers are routinely found in combination with the mail servers mx3.daouoffice.com, aspmx.daum.net and alt.aspmx.daum.net.

Each of mx1.daouoffice.com and mx2.daouoffice.com has three IP addresses: 35.216.20.220, 35.216.41.104 and 35.216.61.236.

Both mx1.daouoffice.com and mx2.daouoffice.com resolve to 35.216.20.220 IP addresses each.

Both mx1.daouoffice.com and mx2.daouoffice.com resolve to 35.216.41.104 IP addresses each.

Both mx1.daouoffice.com and mx2.daouoffice.com resolve to 35.216.61.236 IP addresses each.

devfive.kr - robtex.com

devfive.kr

kr

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`devfive.kr`

`kr`