siser.cz - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

siser.cz

DNSSEC🔒 Signed (DS record present)
A91.216.179.72🇨🇿 MASTER-AS91.216.179.0/24 OXY-1-MAI-CZ
PTR72-179.216.91.oxyonline.cz
NSetienne.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c3d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRetienne.ns.cloudflare.com
A2803:f800:50::6ca2:c33d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRetienne.ns.cloudflare.com
A2a06:98c1:50::ac40:233d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRetienne.ns.cloudflare.com
A108.162.195.61🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRetienne.ns.cloudflare.com
A162.159.44.61Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRetienne.ns.cloudflare.com
A172.64.35.61🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRetienne.ns.cloudflare.com
NSmay.ns.cloudflare.com
A2606:4700:50::adf5:3a87🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmay.ns.cloudflare.com
A2803:f800:50::6ca2:c087🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmay.ns.cloudflare.com
A2a06:98c1:50::ac40:2087🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmay.ns.cloudflare.com
A108.162.192.135🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmay.ns.cloudflare.com
A172.64.32.135🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmay.ns.cloudflare.com
A173.245.58.135🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmay.ns.cloudflare.com
MXsiser-cz.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::6🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00406.inbound.protection.outlook.com
A2a01:111:f403:ca04::b🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-dbbpr03cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca09::🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am3pr04cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca09::3🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am6pr04cu00303.inbound.protection.outlook.com
A52.101.68.5🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-du2pr03cu00105.inbound.protection.outlook.com
A52.101.68.10🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbbpr03cu00102.inbound.protection.outlook.com
A52.101.73.4🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr83cu00404.inbound.protection.outlook.com
A52.101.73.16🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
TXTMS=ms16640705
TXTv=spf1 include:spf.protection.outlook.com -all
SOAetienne.ns.cloudflare.comdns@cloudflare.com serial=2412176114

cz

DNSSEC🔒 Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1786942041

Same first word

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DNS History

12 records (4 active, 8 former)

20162017201820192020202120222023202420252026NSetienne.ns.cloudflare.commay.ns.cloudflare.comns.onebit.czns.onebit.euns.onebit.orgMXsiser-cz.mail.protection.outlook.commail5.onebit.czmx5.onebit.eumx5.onebit.orgA91.216.179.72178.238.37.20481.31.45.94
●NSetienne.ns.cloudflare.com2026-08-14 → 2026-08-17 · 3 obs
○ 2020-01-10 22:41:08
● 2026-08-14 21:29:26
● 2026-08-17 04:59:00
●NSmay.ns.cloudflare.com2026-08-14 → 2026-08-17 · 3 obs
○ 2020-01-10 22:41:08
● 2026-08-14 21:29:26
● 2026-08-17 04:59:00
○NSns.onebit.cz2015-07-18 → 2020-01-10 · 4 obs
● 2015-07-18 11:17:10
● 2020-01-10 22:41:08
○ 2026-08-14 21:29:26
○ 2026-08-17 04:59:00
○NSns.onebit.eu2015-07-18 → 2020-01-10 · 4 obs
● 2015-07-18 11:17:10
● 2020-01-10 22:41:08
○ 2026-08-14 21:29:26
○ 2026-08-17 04:59:00
○NSns.onebit.org2015-07-18 → 2020-01-10 · 4 obs
● 2015-07-18 11:17:10
● 2020-01-10 22:41:08
○ 2026-08-14 21:29:26
○ 2026-08-17 04:59:00
○MXmail5.onebit.cz2015-07-18 → 2020-01-10 · 4 obs
● 2015-07-18 11:17:10
● 2020-01-10 22:41:08
○ 2026-08-14 21:29:26
○ 2026-08-17 04:59:00
○MXmx5.onebit.eu2020-01-10 → 2020-01-10 · 4 obs
○ 2017-02-06 01:57:58
● 2020-01-10 22:41:08
○ 2026-08-14 21:29:26
○ 2026-08-17 04:59:00
○MXmx5.onebit.org2015-07-18 → 2017-02-06 · 4 obs
● 2015-07-18 11:17:10
● 2017-02-06 01:57:58
○ 2020-01-10 22:41:08
○ 2026-08-17 04:59:00
●MXsiser-cz.mail.protection.outlook.com2026-08-14 → 2026-08-17 · 3 obs
○ 2020-01-10 22:41:08
● 2026-08-14 21:29:26
● 2026-08-17 04:59:00
○A178.238.37.2042016-06-20 → 2020-01-10 · 5 obs
○ 2016-03-01 06:01:52
● 2016-06-20 07:10:58
● 2020-01-10 22:41:08
○ 2026-08-14 21:29:26
○ 2026-08-17 04:59:00
○A81.31.45.942015-07-18 → 2016-03-01 · 4 obs
● 2015-07-18 11:17:10
● 2016-03-01 06:01:52
○ 2016-06-20 07:10:58
○ 2026-08-17 04:59:00
●A91.216.179.722026-08-14 → 2026-08-17 · 3 obs
○ 2020-01-10 22:41:08
● 2026-08-14 21:29:26
● 2026-08-17 04:59:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz8 records
siser.czmay.ns.cloudflare.com, etienne.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.61

NS records: may.ns.cloudflare.com, etienne.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 979ms | Queries: -

📄 Records

TypeCountSample Data
A191.216.179.72
NS2etienne.ns.cloudflare.com, may.ns.cloudflare.com
MX1siser-cz.mail.protection.outlook.com (pr
TXT2MS=ms16640705, v=spf1 include:spf.protection.outlook.co
SOA1etienne.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)

Analysis

IP Addresses

siser.cz resolves to one IP address: 91.216.179.72.

www.oplet.cz, kupkosmetiku.cz, babybaby.cz and two other host names share IP numbers with siser.cz.

Name Servers

Two name servers handle the delegation for siser.cz: etienne.ns.cloudflare.com and may.ns.cloudflare.com.

siser.cz uses the same name servers as several other domains — among them profisign.cz, casino-betspino.com, pohler.com and two more.

siser.cz has at least partial name server overlap with other domains, such as gece.dev, 783467.com, zeromt2.com and two others.

It is common to find these name servers paired with the name servers ulla.ns.cloudflare.com, bella.ns.cloudflare.com, audrey.ns.cloudflare.com and igor.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

etienne.ns.cloudflare.com resolves to 108.162.195.61, 162.159.44.61 and 172.64.35.61 among others, with 3 other IP addresses in total.

may.ns.cloudflare.com resolves to 108.162.192.135, 172.64.32.135 and 173.245.58.135 among others, with 3 other IP addresses in total.

Mail Servers

Mail for siser.cz is handled by a single mail server, siser-cz.mail.protection.outlook.com.

siser-cz.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.68.5, 52.101.68.10, 52.101.73.4 and 5 others.