cicero.dk

📜 Historical scan 2026-07-02 00:29:43 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cicero.dk is a .dk domain served by 4 nameservers (ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org and 1 more). It was registered on 25 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.58.160.144 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by cicero-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1-02.azure-dns.com	13.107.236.2 2603:1061:0:700::2	ns1-02.azure-dns.com ns1-02.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2-02.azure-dns.net	150.171.21.2 2620:1ec:8ec:700::2	ns2-02.azure-dns.net ns2-02.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3-02.azure-dns.org	204.14.183.2 2a01:111:4000:700::2	ns3-02.azure-dns.org ns3-02.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4-02.azure-dns.info	208.84.5.2 2620:1ec:bda:700::2	ns4-02.azure-dns.info ns4-02.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
86.58.160.144	3600s	—	AS47292	Sentia Denmark A/S	86.58.160.0/21	🇩🇰 Denmark	Glostrup Municipality

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	600s	cicero-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca04::a 2a01:111:f403:ca09::2 2a01:111:f403:ca09::b 52.101.68.36 52.101.73.2 52.101.73.26 52.101.73.4	mail-dbapr03cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 196ms

TXT Record
MS=ms65666037
v=msv1 t=B41022F0-6DA1-43EA-A29D-0089AA3D57F7
v=spf1 ip4:86.58.159.10 ip4:86.58.159.30 ip4:86.58.159.31 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (cicero.dk)
-all (hard fail)	v=spf1 ip4:86.58.159.10 ip4:86.58.159.30 ip4:86.58.159.31 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.cicero.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:62de94a87c3dc@dmarc.centerasecurity.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 16:18:17

www	86.58.160.144 (AS47292) (address records, no CNAME)
www vs bare domain	Same network cicero.dk: 86.58.160.144 (AS47292) www.cicero.dk: 86.58.160.144 (AS47292)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

54ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

35ms

Field	Value
Serial	2017111700
Primary NS (MNAME)	ns1-02.azure-dns.com
Responsible (RNAME)	hostmaster@gyldendal.dk
Refresh	3600s
Retry	600s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 02:46:54

Field	Value
Registrar	WEB SOLUTIONS A/S
Registered	2001-01-25
Expires	2027-03-31 (161d)

🔗 Same registrant#

57 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
abacus.dk	WEB SOLUTIONS A/S
blekingegadebanden.dk	WEB SOLUTIONS A/S
bobbyzachariae.dk	WEB SOLUTIONS A/S
bogfestival.dk	WEB SOLUTIONS A/S
bogplus.dk	WEB SOLUTIONS A/S
borgen.dk	WEB SOLUTIONS A/S
danskbrikker.dk	WEB SOLUTIONS A/S
danske-dyr.dk	WEB SOLUTIONS A/S
denkæmpestorelæsedag.dk	WEB SOLUTIONS A/S
denrødekuvert.dk	WEB SOLUTIONS A/S
derødeordbøger.dk	WEB SOLUTIONS A/S
digitalretstavning.dk	WEB SOLUTIONS A/S
europas-lande.dk	WEB SOLUTIONS A/S
europaslande.dk	WEB SOLUTIONS A/S
fagbog.dk	WEB SOLUTIONS A/S
faktaogfiktion.dk	WEB SOLUTIONS A/S
flamingobook.dk	WEB SOLUTIONS A/S
forløbsbygger.dk	WEB SOLUTIONS A/S
formelit.dk	WEB SOLUTIONS A/S
frkjensen.dk	WEB SOLUTIONS A/S
fupz.dk	WEB SOLUTIONS A/S
gu.dk	WEB SOLUTIONS A/S
guide2know.dk	WEB SOLUTIONS A/S
gyldendahl.dk	WEB SOLUTIONS A/S
gyldendalbusiness.dk	WEB SOLUTIONS A/S
gyldendalgroupagency.dk	WEB SOLUTIONS A/S
gyldendalordbog.dk	WEB SOLUTIONS A/S
gyldendals-boghandel.dk	WEB SOLUTIONS A/S
gyldendalsboghandel.dk	WEB SOLUTIONS A/S
gyldendalsolutions.dk	WEB SOLUTIONS A/S
gyldendalsordbog.dk	WEB SOLUTIONS A/S
gyldendalsordbøger.dk	WEB SOLUTIONS A/S
gyldendaltest.dk	WEB SOLUTIONS A/S
hans-reitzel.dk	WEB SOLUTIONS A/S
hansreitzel.dk	WEB SOLUTIONS A/S
highlight.dk	WEB SOLUTIONS A/S
hostogson.dk	WEB SOLUTIONS A/S
iep.dk	WEB SOLUTIONS A/S
kvikdansk.dk	WEB SOLUTIONS A/S
laeserpanel.dk	WEB SOLUTIONS A/S
lhpublishing.dk	WEB SOLUTIONS A/S
lovnoeglen.dk	WEB SOLUTIONS A/S
medicinskkompendium.dk	WEB SOLUTIONS A/S
multi2012.dk	WEB SOLUTIONS A/S
myboox.dk	WEB SOLUTIONS A/S
prettyink.dk	WEB SOLUTIONS A/S
room606.dk	WEB SOLUTIONS A/S
rødeordbøger.dk	WEB SOLUTIONS A/S
samlerensforlag.dk	WEB SOLUTIONS A/S
skolebib.dk	WEB SOLUTIONS A/S
skonlitteratur.dk	WEB SOLUTIONS A/S
skrivoglæs.dk	WEB SOLUTIONS A/S
studybot.dk	WEB SOLUTIONS A/S
systime.dk	WEB SOLUTIONS A/S
trane.dk	WEB SOLUTIONS A/S
tranetest.dk	WEB SOLUTIONS A/S
verdens-dyr.dk	WEB SOLUTIONS A/S

📋 WHOIS#

⏱️ Lookup Timing#

34ms

46ms

43ms

AAAA

37ms

TXT

196ms

CAA

32ms

HTTPS

43ms

TLSA

210ms

SOA

35ms

MTA-STS

46ms

DNSSEC

54ms

SRV

53ms

Total

1013ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 20:54:56	1269ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-19 17:44:54	1283ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-28 00:46:37	1434ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-02 00:29:43 shown	1013ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-16 20:45:38	673ms	4 NS 1 A 1 MX	🔒 Secure