🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`studyitcerts.com`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3031::6815:432c^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d42e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.44^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.212.46^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`primary.ns.hostup.se` ⭐
		A	2400:cb00:2049:1::c629:de87^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	198.41.222.135^{Cloudflare198.41.222.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cf-198-41-222-135.cloudflare.com`
NS	`secondary.ns.hostup.se`
		A	2400:cb00:2049:1::a29f:8a3^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.163^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mail.studyitcerts.com` ⭐
		A	185.113.11.23^{🇸🇪 HOSTUP185.113.11.0/24}
			PTR	`pi.hostup.se`
TXT	`v=spf1 include:spf.hostup.se mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.44, 172.67.212.46
		IPv6 hints	2606:4700:3031::6815:432c, 2606:4700:3037::ac43:d42e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=253, name=cloudflare-ech.com
SOA	`primary.ns.hostup.se`dns@cloudflare.com serial=2417442815

`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.net`nstld@verisign-grs.com serial=1793536541

Same first word

studyitcerts.com

Previous names

Next names

DNS History

20 records (7 active, 13 former)

○NSdns1.registrar-servers.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:18:38
○ 2026-09-02 08:54:24
○ 2026-11-01 12:48:24

○NSdns2.registrar-servers.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:18:38
○ 2026-09-02 08:54:24
○ 2026-11-01 12:48:24

●NSprimary.ns.hostup.se2026-09-02 → 2026-11-01 · 3 obs

○ 2019-12-15 03:18:38
● 2026-09-02 08:54:24
● 2026-11-01 12:48:24

●NSsecondary.ns.hostup.se2026-09-02 → 2026-11-01 · 3 obs

○ 2019-12-15 03:18:38
● 2026-09-02 08:54:24
● 2026-11-01 12:48:24

○MXeforward1.registrar-servers.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:18:38
○ 2026-09-02 08:54:24
○ 2026-11-01 12:48:24

○MXeforward2.registrar-servers.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:18:38
○ 2026-09-02 08:54:24
○ 2026-11-01 12:48:24

○MXeforward3.registrar-servers.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:18:38
○ 2026-09-02 08:54:24
○ 2026-11-01 12:48:24

○MXeforward4.registrar-servers.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:18:38
○ 2026-09-02 08:54:24
○ 2026-11-01 12:48:24

○MXeforward5.registrar-servers.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:18:38
○ 2026-09-02 08:54:24
○ 2026-11-01 12:48:24

●MXmail.studyitcerts.com2026-09-02 → 2026-11-01 · 3 obs

○ 2019-12-15 03:18:38
● 2026-09-02 08:54:24
● 2026-11-01 12:48:24

●A104.21.67.442026-09-06 → 2026-11-01 · 3 obs

○ 2026-09-02 08:54:24
● 2026-09-06 05:02:54
● 2026-11-01 12:48:24

●A172.67.212.462026-09-06 → 2026-11-01 · 3 obs

○ 2026-09-02 08:54:24
● 2026-09-06 05:02:54
● 2026-11-01 12:48:24

○A188.114.96.02026-09-02 → 2026-09-02 · 4 obs

○ 2019-12-15 03:18:38
● 2026-09-02 08:54:24
○ 2026-09-06 05:02:54
○ 2026-11-01 12:48:24

○A188.114.97.02026-09-02 → 2026-09-02 · 4 obs

○ 2019-12-15 03:18:38
● 2026-09-02 08:54:24
○ 2026-09-06 05:02:54
○ 2026-11-01 12:48:24

●A2606:4700:3031::6815:432c2026-09-06 → 2026-11-01 · 3 obs

○ 2026-09-02 08:54:24
● 2026-09-06 05:02:54
● 2026-11-01 12:48:24

●A2606:4700:3037::ac43:d42e2026-09-06 → 2026-11-01 · 3 obs

○ 2026-09-02 08:54:24
● 2026-09-06 05:02:54
● 2026-11-01 12:48:24

○A2a06:98c1:3120::2026-09-02 → 2026-09-02 · 4 obs

○ 2019-12-15 03:18:38
● 2026-09-02 08:54:24
○ 2026-09-06 05:02:54
○ 2026-11-01 12:48:24

○A2a06:98c1:3121::2026-09-02 → 2026-09-02 · 4 obs

○ 2019-12-15 03:18:38
● 2026-09-02 08:54:24
○ 2026-09-06 05:02:54
○ 2026-11-01 12:48:24

○A50.97.186.1632019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:18:38
○ 2026-09-02 08:54:24
○ 2026-11-01 12:48:24

○A50.97.186.1642019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:18:38
○ 2026-09-02 08:54:24
○ 2026-11-01 12:48:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
studyitcerts.com	primary.ns.hostup.se, secondary.ns.hostup.se	-

✅ Authoritative Response

Server:162.159.8.163

NS records: primary.ns.hostup.se, secondary.ns.hostup.se

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1487ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.67.44, 172.67.212.46`
AAAA	2	`2606:4700:3031::6815:432c, 2606:4700:3037::ac43:d42e`
NS	2	`primary.ns.hostup.se, secondary.ns.hostup.se`
MX	1	`mail.studyitcerts.com (pri: 0)`
TXT	1	`v=spf1 include:spf.hostup.se mx ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`primary.ns.hostup.se dns.cloudflare.com`

Analysis

IP Addresses

studyitcerts.com resolves to four IP addresses: 104.21.67.44, 172.67.212.46, 2606:4700:3031::6815:432c and 2606:4700:3037::ac43:d42e.

Two other host names, along with nannvmianfeiguankanshipin.com.cn, ratu88-1.shop and abecv.vip, also share IP numbers with studyitcerts.com.

Name Servers

studyitcerts.com has two authoritative name servers — primary.ns.hostup.se and secondary.ns.hostup.se.

studyitcerts.com shares its NS records with other domains, for example dualbattle.com, kamakura.se, hyperislandchallenge.com and two others.

studyitcerts.com partially shares its name servers with domains like barnklockor.se and hhtech.se.

The name servers ns1.hostup.se, ns2.hostup.se, ns3.hostup.se and ns4.hostup.se are often found in use alongside these name servers.

Both primary.ns.hostup.se and secondary.ns.hostup.se have two IP addresses each. primary.ns.hostup.se resolves to 198.41.222.135 and 2400:cb00:2049:1::c629:de87; secondary.ns.hostup.se resolves to 162.159.8.163 and 2400:cb00:2049:1::a29f:8a3.

Mail Servers

The sole mail server for studyitcerts.com is mail.studyitcerts.com.

mail.studyitcerts.com points to one IP number — 185.113.11.23.

studyitcerts.com - robtex.com