sysadmin.se - dns.ninja

`sysadmin.se`

DNSSEC	🔒 Signed (DS record present)
A	2a02:2350:5:10b:f3:8ff0:6ba3:60d8^{🇩🇰 ONECOM2a02:2350::/32 One.com A/S}
A	46.30.213.94^{🇩🇰 ONECOM46.30.208.0/21 One.com A/S}
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`mx1.mailpod15-cph3.g1i.one.com` ⭐
		A	104.37.35.36^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx1.mailpod15-cph3.g1i.one.com`
MX	`mx2.mailpod15-cph3.g1i.one.com` ⭐
		A	104.37.35.37^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx2.mailpod15-cph3.g1i.one.com`
MX	`mx3.mailpod15-cph3.g1i.one.com` ⭐
		A	104.37.35.38^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx3.mailpod15-cph3.g1i.one.com`
MX	`mx4.mailpod15-cph3.g1i.one.com` ⭐
		A	104.37.35.39^{🇩🇰 ONECOM104.37.32.0/21 One.com A/S}
			PTR	`mx4.mailpod15-cph3.g1i.one.com`
TXT	`ms=ms26458251`
SOA	`ns01.one.com`hostmaster@one.com 2026-07-16 #5

`se`

	DNSSEC	🔒 Signed (DS record present)
	NS	`catcher-in-the-rye.nic.se` ⭐
	NS	`a.ns.se`
	NS	`b.ns.se`
	NS	`c.ns.se`
	NS	`f.ns.se`
	NS	`g.ns.se`
	NS	`i.ns.se`
	NS	`m.ns.se`
	NS	`x.ns.se`
	NS	`y.ns.se`
	NS	`z.ns.se`
	TXT	`id:85319d23-f515-4223-8448-b445ff2fc86c`
	TXT	`SE zone update: 2026-07-24 03:33:15 +0000 (EPOCH 1784863995) (auto)`
	SOA	`catcher-in-the-rye.nic.se`registry-default@nic.se serial=1784864358

Same first word

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sysadmin.bialystok.pl

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sysadmin.bg

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sysadmin.com

sysadmin.ge

Similar names

DNS History

18 records (8 active, 10 former)

●NSns01.one.com2015-07-19 → 2026-07-24 · 3 obs

○ 2007-12-05 00:13:14
● 2015-07-19 16:54:10
● 2026-07-24 05:25:48

●NSns02.one.com2015-07-19 → 2026-07-24 · 3 obs

○ 2007-12-05 00:13:14
● 2015-07-19 16:54:10
● 2026-07-24 05:25:48

○NSns3.loopia.se2007-12-05 → 2007-12-05 · 3 obs

● 2007-12-05 00:13:14
○ 2015-07-19 16:54:10
○ 2026-07-24 05:25:48

○NSns4.loopia.se2007-12-05 → 2007-12-05 · 3 obs

● 2007-12-05 00:13:14
○ 2015-07-19 16:54:10
○ 2026-07-24 05:25:48

●MXmx1.mailpod15-cph3.g1i.one.com2026-02-21 → 2026-07-24 · 8 obs

○ 2016-09-27 03:09:42
● 2026-02-21 12:45:14
● 2026-06-04 09:21:56
○ 2026-06-13 18:20:10
● 2026-06-22 17:47:26
○ 2026-06-30 09:04:10
● 2026-07-24 05:25:46
● 2026-07-24 05:25:48

●MXmx2.mailpod15-cph3.g1i.one.com2026-02-21 → 2026-07-24 · 8 obs

○ 2016-09-27 03:09:42
● 2026-02-21 12:45:14
● 2026-06-04 09:21:56
○ 2026-06-13 18:20:10
● 2026-06-22 17:47:26
○ 2026-06-30 09:04:10
● 2026-07-24 05:25:46
● 2026-07-24 05:25:48

●MXmx3.mailpod15-cph3.g1i.one.com2026-02-21 → 2026-07-24 · 8 obs

○ 2016-09-27 03:09:42
● 2026-02-21 12:45:14
● 2026-06-04 09:21:56
○ 2026-06-13 18:20:10
● 2026-06-22 17:47:26
○ 2026-06-30 09:04:10
● 2026-07-24 05:25:46
● 2026-07-24 05:25:48

●MXmx4.mailpod15-cph3.g1i.one.com2026-02-21 → 2026-07-24 · 8 obs

○ 2016-09-27 03:09:42
● 2026-02-21 12:45:14
● 2026-06-04 09:21:56
○ 2026-06-13 18:20:10
● 2026-06-22 17:47:26
○ 2026-06-30 09:04:10
● 2026-07-24 05:25:46
● 2026-07-24 05:25:48

○MXmxcluster1.one.com2015-07-19 → 2016-09-27 · 5 obs

○ 2007-12-05 00:13:14
● 2015-07-19 16:54:10
● 2016-09-27 03:09:42
○ 2026-02-21 12:45:14
○ 2026-07-24 05:25:48

○MXmxcluster2.one.com2015-07-19 → 2016-09-27 · 5 obs

○ 2007-12-05 00:13:14
● 2015-07-19 16:54:10
● 2016-09-27 03:09:42
○ 2026-02-21 12:45:14
○ 2026-07-24 05:25:48

○MXwww.sysadmin.se2007-12-05 → 2007-12-05 · 3 obs

● 2007-12-05 00:13:14
○ 2015-07-19 16:54:10
○ 2026-07-24 05:25:48

○A2a02:2350:5:10b:6b:8b60:e6fe:31bd2026-02-21 → 2026-07-24 · 2 obs

○ 2026-02-21 12:45:14
○ 2026-07-24 05:25:48

●A2a02:2350:5:10b:f3:8ff0:6ba3:60d82026-02-21 → 2026-07-24 · 8 obs

○ 2016-09-27 03:09:42
● 2026-02-21 12:45:14
● 2026-06-04 09:21:56
○ 2026-06-13 18:20:10
● 2026-06-22 17:47:26
○ 2026-06-30 09:04:10
● 2026-07-24 05:25:46
● 2026-07-24 05:25:48

○A46.30.212.1822015-07-19 → 2016-06-09 · 5 obs

○ 2007-12-05 00:13:14
● 2015-07-19 16:54:10
● 2016-06-09 05:08:02
○ 2016-09-27 03:09:42
○ 2026-07-24 05:25:48

○A46.30.213.2312016-09-27 → 2016-09-27 · 4 obs

○ 2016-06-09 05:08:02
● 2016-09-27 03:09:42
○ 2026-02-21 12:45:14
○ 2026-07-24 05:25:48

○A46.30.213.772026-02-21 → 2026-07-24 · 2 obs

○ 2026-02-21 12:45:14
○ 2026-07-24 05:25:48

●A46.30.213.942026-02-21 → 2026-07-24 · 8 obs

○ 2016-09-27 03:09:42
● 2026-02-21 12:45:14
● 2026-06-04 09:21:56
○ 2026-06-13 18:20:10
● 2026-06-22 17:47:26
○ 2026-06-30 09:04:10
● 2026-07-24 05:25:46
● 2026-07-24 05:25:48

○A83.227.134.1462007-12-05 → 2007-12-05 · 3 obs

● 2007-12-05 00:13:14
○ 2015-07-19 16:54:10
○ 2026-07-24 05:25:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
se	c.ns.se, x.ns.se, g.ns.se, a.ns.se...	-
sysadmin.se	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2233ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.30.213.94`
AAAA	1	`2a02:2350:5:10b:f3:8ff0:6ba3:60d8`
NS	2	`ns02.one.com, ns01.one.com`
MX	4	`mx1.mailpod15-cph3.g1i.one.com (pri: 10), mx2.mailpod15-cph3.g1i.one.com (pri: 10)...`
TXT	1	`ms=ms26458251`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

IP Addresses

sysadmin.se points to the IP addresses 46.30.213.94 and 2a02:2350:5:10b:f3:8ff0:6ba3:60d8

Among the host names that share IP numbers with sysadmin.se are trienta.se, www.fjelltomter.com, alyana.se and two others.

Name Servers

sysadmin.se has two authoritative name servers — ns01.one.com and ns02.one.com.

sysadmin.se has the same name server delegation as a number of other domains, such as mirovin.dk, skifreak.se, byg-calc.dk and two more.

Both ns01.one.com and ns02.one.com have two IP addresses each. ns01.one.com resolves to 195.206.121.10 and 2001:67c:28cc::10; ns02.one.com resolves to 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

The four mail servers for sysadmin.se are mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com, mx3.mailpod15-cph3.g1i.one.com and mx4.mailpod15-cph3.g1i.one.com.

sysadmin.se shares at least some of its mail servers with other domains — for example xcedo.dk, interxnet.it, nyqvist.se and two more.

mx1.mailpod15-cph3.g1i.one.com resolves to 104.37.35.36. mx2.mailpod15-cph3.g1i.one.com resolves to 104.37.35.37. mx3.mailpod15-cph3.g1i.one.com resolves to 104.37.35.38. mx4.mailpod15-cph3.g1i.one.com resolves to 104.37.35.39. All four hosts carry exactly one IP address.