isyn.dk

Records from scan: 2026-09-30 18:42:06 · 440ms total · last checked 2026-10-18 18:04 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

isyn.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 29 June 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.199.210.104 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by mail.isyn.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
62.199.210.104	3600s	—	AS3308	Norlys Telco A/S	62.198.0.0/15	🇩🇰 Denmark	Albertslund

📧 MX Records#

1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.isyn.dk	62.199.210.126	lmhostex2.lmhosting.dk	AS3308 Norlys Telco A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	62.199.210.104
🔶 Autoconfig	62.199.210.104

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 132ms

TXT Record
_globalsign-domain-verification=rx2PwVQGldJWiJ4FO2YIiqJWa0XOGCuSqG-HKGge9x
google-site-verification=n3zpcKfxeWcj2-u_6Ih6caidrvdz66ikhFixbcLyrqg
v=spf1 a mx ip4:62.199.210.126 ip4:194.255.4.227 ip4:194.255.4.237 ip4:194.255.4.238 ip4:194.255.4.239 ip4:194.255.4.240 ip4:62.242.146.172 ~all

✉️ SPF#

Policy	Record (isyn.dk)
~all (soft fail)	v=spf1 a mx ip4:62.199.210.126 ip4:194.255.4.227 ip4:194.255.4.237 ip4:194.255.4.238 ip4:194.255.4.239 ip4:194.255.4.240 ip4:62.242.146.172 ~all

📨 DMARC#

Policy	Record (_dmarc.isyn.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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#

checked 2026-10-07 21:38:28

www	62.199.210.104 (AS3308) (address records, no CNAME)
www vs bare domain	Same network isyn.dk: 62.199.210.104 (AS3308) www.isyn.dk: 62.199.210.104 (AS3308)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

59ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns1.123hotel.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-14 18:01:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-06-29
Expires	2027-06-30 (254d)

🔗 Same registrant#

14 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
bolig4.dk	Punktum dk A/S (direct)
boligselskab.dk	Punktum dk A/S (direct)
crystalsite-x.dk	Punktum dk A/S (direct)
driftsweb.dk	Punktum dk A/S (direct)
ejendomsselskab.dk	Punktum dk A/S (direct)
elektronisk-flyttesyn.dk	Punktum dk A/S (direct)
interdesk.dk	Punktum dk A/S (direct)
lmbeta.dk	Punktum dk A/S (direct)
lmmail.dk	Punktum dk A/S (direct)
omnidesk.dk	Punktum dk A/S (direct)
omniflow.dk	Punktum dk A/S (direct)
unik-bolig.dk	Punktum dk A/S (direct)
unik.dk	Punktum dk A/S (direct)
unikproperty.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

48ms

32ms

50ms

AAAA

33ms

TXT

132ms

CAA

34ms

HTTPS

51ms

TLSA

76ms

SOA

34ms

MTA-STS

62ms

DNSSEC

59ms

SRV

54ms

Total

440ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 18:42:06 shown	440ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 09:11:54	2859ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-08 11:42:01	861ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-02 10:50:56	1924ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 04:29:01	916ms	2 NS 1 A 1 MX	🔒 Secure